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Ada wants to bake 2 pies, 1 apple and 1 cherry. She needs 3 cups of apples for apple pie and 2 cups of cherries for the cherry pie, each costs $4 per cup. She also needs a $5 pie crust for each pie. How much money would she need in total to bake the pies?
|
She will spend 3 * $4 = $12 for the apples. She will spend 2 * $4 = $8 for the cherries. The total cost for the pie crusts is 2 * $5 = $10. The total amount calculated is: $12 for apples + $8 for cherries + $10 for pie crusts = $30.
|
30
|
Martin has 50 apples in his garden. He wants to divide them equally between his 4 friends. How many apples will each friend receive?
|
Martin has a total of 4 friends. He gave each friend 50 / 4 = 12.5 apples.
|
12.5
|
Robert buys 5 apples for 2 dollars each. He then buys 3 more apples that cost 50 cents more each. How much did Robert spend in total?
|
First purchase of 5 apples cost 5*2=10 dollars. Second purchase of 3 apples cost 3*(2+0.5)=7.5 dollars. So, in total Robert spent 10 + 7.5 = 17.5 dollars.
|
17.5
|
Angela divided a sum of money between her four nieces Alice, Joy, Kate, and Lisa in the ratio 3:2:4:1 respectively. If Joy got $30, how much did Alice receive?
|
According to the ratio, for every 2 parts that Joy gets, Alice gets 3 parts. Since Joy got $30, Alice received 3/2 *$30 = $45.
|
45
|
Billy has a $20 bill and he wants to buy chocolates. One chocolate bar costs $1.50. How many chocolate bars can Billy afford?
|
Each chocolate bar costs $1.50, so Billy can afford to buy 20 / 1.5 = 13.33 or 13 bars when rounded down. Billy can afford to buy 13 chocolate bars.
|
13
|
Fiona earned $500 dog walking. She spent 1/5 of the money on food. She spent 1/4 of the money on a new leash. How much did Fiona have left?
|
Fiona spent 1/5*500 = $100 on food. Fiona spent 1/4*500 = $125 on a leash. Fiona has 500-100-125 = $275 left.
|
275
|
Natalie is stacking her shoes in a pyramid. Each level of the pyramid has 90% as many shoes as the number of shoes in the previous level. If she makes three levels and the top level has 27 shoes, how many shoes are in the pyramid in total?
|
The second level has 30 shoes because 27 / .9 = 30 The first level has 33.33 shoes because 30 / .9 = 33.33 In total there are 90.33 shoes because 27 + 30 + 33.33 = 90.33
|
90.33
|
Sophia is gathering bottles of water for a charity event. In her first week, she gathers 234 bottles and in the second week, 374. If her goal is to gather 800 bottles, how many more does she need?
|
Sophia gathers 234 bottles in the first week and 374 in the second week. So far, 234 + 374 equals 608 bottles. Sophia's goal is to collect 800 bottles, so she still needs 800 - 608 = 192 bottles.
|
192
|
A family of 4 goes to have breakfast at a pancake house. Each one orders a tall stack. The daughter prefers plain with 3 pancakes, the son prefers a double stack with 6 pancakes, dad likes double the son's stack and mom has the same as dad. How many pancakes did the cook prepare?
|
Dad's tall stack of pancakes is double the son's, so he gets 6*2 = 12 pancakes. Mom likes the same as dad, therefore, she also has 12 pancakes. The cook prepared 3 (daughter) + 6 (son) +12 (dad and mom each) + 12 = 33 pancakes in total.
|
33
|
David, Kieran, and Noel weighed themselves and found out that David is 30 pounds heavier than Kieran, and Kieran is 20 pounds lighter than Noel. If Noel weighed 200 pounds, what is the average weight of the three?
|
Since Kieran weighs 20 pounds lighter than Noel, he weighs 200-20 = 180 pounds. The sum of Noel and Kieran's weight is 180+200 = 380 pounds. David is 30 pounds heavier than Kieran, meaning he weighs 180+30 = 210 pounds. The total weight of the three is 380+210 = 590 pounds. The average weight of the three is the total weight divided by their number, which totals 590/3 = 197 pounds.
|
197
|
Katie collected 50 seashells at the beach on Saturday. On Sunday, she collected twice as many as on Saturday. How many seashells did she collect over the weekend?
|
On Sunday Katie collected 50 x 2 = 100 seashells. So, over the weekend she collected 50 + 100 = 150 seashells.
|
150
|
A bottle of juice contains 1000ml. Emma drinks 200ml each day. After how many days will Emma finish the juice?
|
Emma will finish the juice after 1000 / 200 = 5 days.
|
5
|
Ravi downloaded 300 songs, but he didnt like 250 songs and deleted them. He downloaded 100 more songs but found out that 50 of them were not to his liking. How many songs does Ravi have now?
|
From the first download, Ravi kept 300 - 250 = 50 songs. From the second download, he kept 100 - 50 = 50 songs. The total number of songs he kept is 50 + 50 = 100 Ravi has 100 songs now.
|
100
|
Sally buys a dress for $60 and a pair of shoes for $45. The store offers a discount of 20% on the total purchase. How much does she pay for the items?
|
Sally's total expense is $60 for the dress + $45 for the shoes = $105. The store offers a discount of 105 x 20/100 = $21. After the discount, Sally pays $105 - $21 = $84 for the items.
|
84
|
Emily went shopping and spent half of her money on clothes. She then spent half of what was left on shoes, and afterward, she had $40 left. How much money did Emily have in the beginning?
|
Before buying the shoes, Emily had 2 * $40 = $80. And before buying the clothes, Emily had 2 * $80 = $160. So, Emily had $160 in the beginning.
|
160
|
A farmer needs to transport 200 bales of hay 45 miles away using his truck that can carry 10 bales at a time. If his truck travels at 45 miles per hour, what is the total driving time in hours?
|
Given the truck's limit of 10 bales, the farmer needs 200 / 10 = 20 trips. At 45 mph for 45 miles, each trip will take 45 / 45 = 1 hour. Considering the return trip, each round trip will take 2 * 1 = 2 hours. Hence, the total driving time for 20 round trips will be 20 * 2 = 40 hours.
|
40
|
A classroom contains 5 rows of desks. Each row has 6 desks. How many desks are there in total in the classroom?
|
There are 5 * 6 = 30 desks in the classroom.
|
30
|
Rose has a farm that produces 3 types of apples. The first type falls after 8 weeks of growing, the second type after 10 weeks, and the third type after 12 weeks. If she planted a tree of each type back to back, in how many weeks will she start harvesting all three types of apples?
|
The time it will take for her to start harvesting all three types of apples is 8+10+12=30 weeks.
|
30
|
A charity organization promises to contribute $5 for every $20 donated by individuals. If the average individual donates $4 and there are 50 donors in a day, how much will the charity contribute?
|
The total amount donated by individuals is $4 * 50 = $200. The charity contributes $5 for every $20 donated which amounts to $5 * (200 / 20) = $50.
|
50
|
A restaurant makes 10 pizzas per hour and operates 6 hours a day. One day, 20 pizzas were spoilt and had to be thrown away. If operations were for 5 days, how many pizzas did the restaurant make in those 5 days?
|
The restaurant makes 10*6 = 60 pizzas a day. In 5 days, the restaurant makes 60*5 = 300 pizzas. After throwing away the spoilt pizzas, the restaurant had made 300-20 = 280 pizzas.
|
280
|
Billie is packing her suitcase for a trip. She can either pack 4 pairs of shoes or the equivalent weight in books. If each pair of shoes weighs 2 pounds, and each book weighs half a pound, how many books can Billie pack instead of the shoes?
|
The total weight of the shoes would be 4*2 = 8 pounds. Since each book weighs half a pound, the number of books Billie could pack would be 8/0.5 = 16 books.
|
16
|
Rebecca runs a bakery. She bakes 15 cupcakes a day for six days. Each cupcake costs $5. How much revenue does Rebecca earn in a week?
|
Rebecca bakes 15 cupcakes x 6 days = 90 cupcakes in a week. At $5 per cupcake, Rebecca earns $5 x 90 = $450 in a week.
|
450
|
A grocery store manager orders 50 packages of instant noodles in September and 100 in October. There are 15 noodles per package. How many noodles did the grocery store manager order in September and October?
|
The grocery store manager ordered a total of 50 + 100 = 150 packages. This is equal to 150 x 15 = 2250 noodles.
|
2250
|
If there are 24 hours in a day, and half of that time is spent sleeping, how many hours are spent awake?
|
The time spent awake is 24 hours/day ÷ 2 = 12 hours/day.
|
12
|
In a class, 1/3 of the students are boys and the rest are girls. If there are 20 boys, how many girls are there in the class?
|
If boys represent 1/3 of the students, then girls represent 2/3. Since 1/3 of the class equals 20 students, then 2/3 equals 20 * 2 = 40 students. So, there are 40 girls in the class.
|
40
|
In a pot there are 100 apples. 20 of them are green, the rest of them are red. How many red apples are there in the pot?
|
In the pot, there are 100 total apples - 20 green apples = 80 red apples.
|
80
|
A baker baked 500 cookies. He sold half of them in the morning and one-third of the remaining cookies in the afternoon. How many cookies are left?
|
The baker sold 500 / 2 = 250 cookies in the morning. So there are 500 - 250 = 250 cookies left. In the afternoon, he sold 250 / 3 = 83.3333, we round it down to 83 cookies. Therefore, there are 250 - 83 = 167 cookies left.
|
167
|
John's younger sister, Alice, is half his age. If John is 30 years old now, how old will Alice be in 5 years?
|
Alice being half John's age implies Alice is 1/2*30 = 15 years old. In five years, Alice will be 15+5 = 20 years old.
|
20
|
If the price tag displays that a room's rent is $380 for a month, and it offers a discount of 15% for a year-long contract, how much would a client save in a year if he chose the year-long contract?
|
15% of $380 is (15/100)*$380 = $57. So, the monthly rent for a year-long contract would cost $380 - $57 = $323. The yearly cost without any discount would be $380 * 12 = $4560. The yearly cost with the year-long contract discount would be $323 * 12 = $3876. The amount saved in a year by choosing the year-long contract would be $4560 - $3876 = $684.
|
684
|
Mia and Noah are collecting stones on the beach. Mia collects one more than triple the stones Noah collects. If together they collect 61 stones, how many stones does Mia have?
|
If m is the number of stones Mia collects and n is the number of stones Noah collects, we know that m + n = 61. We also know that m = 3n + 1. We substitute the second equation into the first equation to get: 3n + 1 + n = 61 Combining like terms, we get 4n + 1= 61 Subtracting 1 from both sides, we get 4n = 60 Dividing both sides by 4, we get n = 15 Substituting this back into the equation m = 3n + 1, we get m = 3*15 + 1 = 45 + 1 = 46
|
46
|
A school has 10 classrooms. Each classroom has 5 tables and each table sits 4 students. If a quarter of the classrooms are unused, how many students can be accommodated in the school in total?
|
There are 10 classrooms * 5 tables = 50 tables in total. And each table sits for 4 students so, 50 tables * 4 students = 200 students can be accommodated. A quarter of the classrooms means 10 / 4 = 2.5 which rounds up to 3 classrooms are unused. These 3 unused classrooms each have 5 tables for 4 students, so 3 * 5 * 4 = 60 seats are unused. Therefore, the total number of students that can be accommodated in the school is 200 - 60 = 140 students.
|
140
|
Tom and Jerry are saving money to buy a video game which costs $120. Tom saves $10 each week and Jerry saves $7 every week. How many weeks will it take for them to buy the video game?
|
They save together $10 (Tom's saving) + $7 (Jerry's saving) = $17 every week. They will need $120 / $17/week = 7.06 weeks, which rounds up to 8 weeks because they can't save money for a fraction of a week.
|
8
|
John spent 6 hours painting his house. Each hour, he consumed 3 cups of water from his thermos. Furthermore, he used 7 cups of water to clean up his brushes. How many cups of water did John use for the painting session?
|
John drank water for 6 hours at 3 cups per hour, so he used 3*6=18 cups for drinking. He also used 7 cups for cleaning his brushes. Therefore, John used 18 + 7 = 25 cups of water.
|
25
|
Emily sends 10 emails regarding project updates, 3 times as many emails asking for the deadline, and a number of emails equal to 20% of all the emails she sent previously asking for help. How many emails did she send in total?
|
First find how many mails Emily sent asking for the deadline: 10 emails * 3 = 30 emails Then add that number to the number of project update mails: 30 emails + 10 emails = 40 emails Then multiply that number by 20% to find how many emails she sent asking for help: 40 emails * 20% = 8 emails Then add totals of each kind to find the total number of emails: 8 emails + 40 emails = 48 emails
|
48
|
Sophia, Abby and Nina decided to pool their money to buy a birthday present for their friend. Sophia contributed $150, Abby contributed 50% more money than Sophia, and Nina contributed $50 less than Abby. How much total money do they have for the birthday present?
|
If Sophia paid $150, Abby contributed 50/100*$150 = $75 more than Sophia. In total, Abby contributed $150+$75 = $225 Sophia and Abby contributed a total of $225+$150 = $375 If Nina contributed $50 less than Abby, then she contributed $225-$50 = $175 The total amount of money the three contributed for the birthday present is $375+$175 = $550
|
550
|
Betty spends 15 minutes playing with her dog and 1/5 of that time feeding it. How many minutes does she spend with her dog in total?
|
First find the time Betty spends feeding the dog: 15 minutes / 5 = 3 minutes Then add that to the time spent playing with the dog to find the total time she spends with it: 3 minutes + 15 minutes = 18 minutes
|
18
|
Liam bought a new bike for $120. After 2 years, the bike became old and he sold it for $80. How much money did Liam lose in total?
|
Liam lost in total: $120 - $80 = $40.
|
40
|
A bag of popcorn at the cinema costs $5. If a group of friends, consisting of 4 people, decide to see a movie and each one of them gets 2 bags of popcorn, how much will they pay in total for the popcorn?
|
Each person will pay 2 * 5 = $10 for the popcorn. So, the group will pay 4 * 10 = $40 in total for the popcorn.
|
40
|
A dressmaker used 7 yards of fabric to make a dress. The fabric costs $20 per yard. If she sells the dress for $180, how much profit did she earn?
|
The cost of the fabric was 7*20 = $140 Her profit was 180-140 = $40
|
40
|
Teddy and Bella are participating in a coding competition. The team's final score is tallied by adding the scores of the individuals on the same team. From the 50 problems, Teddy solves correctly 40 while Bella solves 10 less than Teddy. How many problems did their team solve?
|
Bella's score is 40 - 10 = 30. Therefore, their team solved 40 + 30 = 70 problems.
|
70
|
In a bakery, they sell loaves of bread for $2.50 each. Muffins are sold for $1.20 each. If Tommy bought 4 loaves of bread and 5 muffins, how much did he spend in total?
|
The cost of the breads is 4 * $2.50 = $10. The cost of the muffins is 5 * $1.20 = $6. So, Tommy spent a total of $10 + $6 = $16.
|
16
|
Jim had scored 9 times in a football match. His teammate Jack scored 15 times. Jack then went on to score 5 more times. How many times should Jim score to equal Jack's score?
|
In total, Jack has scored 15 times + 5 times = 20 times. To have the same score as Jack, Jim needs to score 20 times - 9 times = 11 more times.
|
11
|
Sally likes to cook cookies. She bakes two dozens each week for six months, but one day she lost half of them. How many cookies does Sally have left?
|
Each dozen is 12 cookies, so Sally bakes 2*12= 24 cookies each week. In six months there are 6*4=24 weeks. So Sally baked 24*24 = 576 cookies. Then she lost half of them, leaving her with 576/2= 288 cookies.
|
288
|
A baker uses 2 cups of flour for each loaf of bread. If he has 50 cups of flour, how many loaves of bread can he make?
|
The baker can make 50 / 2 = 25 loaves of bread.
|
25
|
Bill knocks out 6 blocks from his tower of blocks in 5 days. Then he knocks out 4 blocks a day for the next 3 days. In the end, he puts back 3 blocks. How many blocks have been knocked out?
|
In 5 days, Bill knocks out 6 * 5 = 30 blocks In the next 3 days, Bill knocks out 4 * 3 = 12 blocks Bill has knocked out a total of 30 + 12 = 42 blocks After putting blocks back, 42 - 3 = 39 blocks remain knocked out.
|
39
|
In a school, each child gets a share of 30 chocolates. If the school has 45 children, how many chocolates are distributed?
|
If each child gets 30 chocolates, for 45 children, the total would be 45 * 30 = 1350 chocolates.
|
1350
|
Jane is driving to a city which is 160 km away. Her car consumes eight liters of fuel for a distance of 80 km. How many liters of fuel will Jane need for the one-way trip?
|
Jane will need 160 km / 80 km = 2 eight liters of fuel for the one-way trip. Therefore, she will need a total of 2 x 8 liters = 16 liters of fuel.
|
16
|
Abby is 7 years younger than her brother Ben. In 5 years, Abby will be 13 years old. How old is Ben now?
|
Abby is currently 13 - 5 = 8 years old. So, Ben is 8 + 7 = 15 years old now. The answer is 15.
|
15
|
Josh owns a farm and has a horse that weighs 2 tonnes (a tonne is 2000 pounds). The cow on his farm weighs 85% less. What is their combined weight in pounds?
|
The horse weighs 2 * 2000 = 4000 pounds The cow weighs 4000 * .85 = 3400 pounds less So, the cow weighs 4000 - 3400 = 600 pounds That means their combined weight is 600 + 4000 = 4600 pounds
|
4600
|
David paints houses for a living. One gallon of paint covers 400 square feet. If a house he is painting has an area of 4800 square feet, how many gallons of paint will David need?
|
The total area that David needs to paint is 4800 square feet, so to find the number of gallons he will need, divide the total area by the coverage rate of the paint, which is 4800/400=12 gallons.
|
12
|
A group of friends decides to order pizza. Each pizza has 8 slices. They order 7 pizzas. If each friend eats 2 slices, how many friends are there?
|
The total number of pizza slices they have is 7 pizzas * 8 slices each = 56 slices. The number of friends is the total number of slices divided by the number of slices each friend eats, which is 56 slices / 2 slices per friend = 28 friends.
|
28
|
For each kilometer Ethan runs, he burns 80 calories. Yesterday, he ran 12 kilometers. If he wants to burn a total of 1500 calories, how many additional kilometers does he need to run?
|
Ethan burned 12 km * 80 cal/km = 960 calories. He needs to burn an additional 1500 cal - 960 cal = 540 calories. So he needs to run an additional 540 cal / 80 cal/km = 6.75 kilometers.
|
6.75
|
Sanket and Prachi are playing chess. The game’s final score is obtained by adding the scores of each player. Out of the 70 rounds, Sanket lost 5 while Prachi lost 7 more than half the losses of Sanket. How many total losses did their team have?
|
Sanket's losses are 70 - 5 = 65. Half of Sanket's losses is 65/2 = 32.5. So Prachi's losses are 32.5 + 7 = 39.5. Hence, Prachi lost 70 - 39.5 = 30.5 rounds. Therefore, their team had 5 + 30.5 = 35.5 total losses.
|
35.5
|
Morgan read a book of 300 pages in 10 days. How many pages did she read per day on average?
|
Morgan read on average 300 / 10 = 30 pages per day.
|
30
|
Jane has twice as many apples as Suzy. If they both have 36 apples together, how many apples does Jane have?
|
If j is the number of apples Jane has and s is the number of apples Suzy has, we know that j + s = 36. We also know that j = 2s. We can substitute the second equation into the first equation to get: 2s + s = 36 Combining like terms, we get 3s = 36 Dividing both sides by 3, we get s = 12 Substituting this back into the equation j = 2s, we get j = 2*12 = 24
|
24
|
Lisa bought 4 packets of crayons for her classroom. Each packet contained 6 crayons. How many crayons did she buy in total?
|
Lisa bought 4 * 6 = 24 crayons in total.
|
24
|
Lucy has a collection of 56 stuffed animals. There are twice as many teddy bears as there are rabbits. If she has 16 rabbits, how many of the rest are monkeys?
|
There are 16 rabbits x 2 = 32 teddy bears. The total number of rabbits and teddy bears is 16 rabbits + 32 teddy bears = 48. Therefore, there are 56 stuffed animals - 48 = 8 monkeys.
|
8
|
Sarah has a collection of novels and comic books. She has 15 novels and twice as many comic books. How many books does Sarah have in total?
|
Sarah has 15 * 2 = 30 comic books. So, Sarah has a total of 15 novels + 30 comic books = 45 books.
|
45
|
A basketball team consists of 15 players. They scored 250 points over the entire season. There have been 10 games played. 1/3 of the players have averaged 2 goals in each game. How many total points have the remaining players earned?
|
5 players have averaged 2 points per game because 15 x (1/3) = 5 These players average a total of 10 points a game because 5 x 2 = 10 These players have scored 100 points because 10 x 10 = 100 The remaining players have scored 150 total points because 250 - 100 = 150
|
150
|
Chris bought a pack of 18 juice boxes for his children's party. Each box is 200 mL. The children drank 3/4 of the total amount. How many milliliters of juice is left?
|
The total amount of juice is 18*200 = 3600 mL. The children consumed 3/4*3600 = 2700 mL The amount of juice left is 3600-2700 = 900 mL.
|
900
|
Linda needs 2 pieces of paper for each origami she makes. She has 50 pieces of paper left. If she wants to make a picture frame that needs 15 pieces of paper, how many origamis can she still make?
|
Linda can make 50 / 2 = 25 origamis. A picture frame costs 15 pieces of paper, so she can make 25 - 15 / 2 = 10 more origamis.
|
10
|
Eddie, Joan, and Mary are building a sand castle. Eddie used 14 buckets of sand, Joan used 20 buckets of sand, and Mary used 18 buckets of sand. How many buckets of sand did they use in total and on average?
|
They used a total of 14 + 20 + 18 = 52 buckets of sand. On average, they used 52 / 3 = 17.33 buckets of sand.
|
17.33
|
Billy has 5 hours to play video games and read. He plays one game that takes 2 hours and another game that takes 1 hour. He then decides to read. If he reads 20 pages an hour, how many pages does he read before his free time is up?
|
He has 2 hours to read because 5 - 2 - 1 = 2 He reads 40 pages because 2 x 20 = 40
|
40
|
Pam baked 60 cookies. She ate 20% of them and divided the rest among her 5 friends equally. How many cookies did each friend get?
|
Pam ate 60 * 0.2 = 12 cookies. Pam left with 60 - 12 = 48 cookies. Each friend gets 48 / 5 = 9.6 cookies.
|
9.6
|
Lauren is an artist and sells her artwork online. She sells 7 paintings for $45 each and 3 sculptures for $80 each. How much money does Lauren make from these sales?
|
Lauren makes 7 paints * $45 each = $315 from painting sales. And she makes 3 sculptures * $80 each = $240 from sculpture sales. So in total, Lauren makes $315 + $240 = $555 from these sales.
|
555
|
A grocery store got 45 boxes of apples. Each box has 25 apples. The store sold 500 apples in one day. How many apples are left in the store?
|
The grocery store got a total of 45 x 25 = 1125 apples. After selling some apples, there are 1125 - 500 = 625 apples left.
|
625
|
There are 22 students in the first grade and three times as many in the second grade. The third grade has 35 students. How many students are there in total?
|
In the second grade, there are 22 students * 3= 66 students In total, there are 22 students in the first grade + 66 students in the second grade + 35 students in the third grade = 123 students
|
123
|
The Jackson's garage houses two cars, a motorcycle, four bicycles, and a golf cart. How many wheels are there in the garage in total?
|
Each car has 4 wheels, for a total of 4 * 2 = 8 wheels. The motorcycle has 2 wheels, thus the total becomes 8 + 2 = 10 wheels. The bicycles have 2 wheels each and there are 4 of them, so that's 4*2= 8 wheels, bringing the total to 10 + 8 = 18 wheels. The golf cart has 4 wheels, bringing the final total to 18 + 4 = 22 wheels.
|
22
|
In a gathering of 150 people, half are wearing black glasses while the rest are wearing hats. If there are 20 more people wearing tie than hats, how many more people are wearing black glasses than tie?
|
150/2 = 75 people are wearing hats. 150/2 = 75 people are wearing black glasses. 75 + 20 = 95 people are wearing tie. 75 - 95 = -20, therefore, there are 20 more people wearing tie than black glasses.
|
-20
|
Luna had 6 packs of stickers with 10 stickers in each pack. She gave 8 stickers to Ethel and also give some stickers to Mark. How many more stickers did she give to Mark than Ethel if she has only 28 stickers left?
|
From the 6 packs, Luna had 10 * 6 = 60 stickers After giving 8 stickers to Ethel, she had 60 - 8 = 52 stickers left. If she only has 28 stickers now, this means she gave Mark 52 - 28 = 24 stickers. Hence, Mark has 24 - 8 = 16 more stickers than Ethel.
|
16
|
Sarah has 7 books on her shelf. She doubles her collection every month. After three months, she gives away half of her collection. How many books does she have now?
|
Start by finding how many books Sarah has after the first month: 7 * 2 = 14 books. On the second month, she has 14 * 2 = 28 books. On the third month, she has 28 * 2 = 56 books. After giving away half of her collection, she has 56 / 2 = 28 books.
|
28
|
Julia need to buy 3 packets of beads for her arts project. Each packet costs $2. How much does she need to pay?
|
Julia needs to buy 3 packets of beads. Each packet cost $2 so she needs to pay 3 * $2 = 6 dollars
|
6
|
Annabel has 7 cows in her dairy farm, and she sells the milk for $4 a jug. In a week time, she sold total of $560 worth of milk. If sold all the milk her cows produced, how many jugs of milk does each cow produce a week?
|
At $4 per jug, Annabel sold $560 / $4 = 140 jugs in a week. If 7 cows produced 140 jugs in a week, that means 140 jugs / 7 cows = 20 jugs were produced by each cow in a week.
|
20
|
Jacob ate two dozen eggs in a week. If he only ate 75% as many eggs the next week, how many eggs did he eat in total over the two weeks?
|
A dozen contains 12 eggs, therefore Jacob ate 2 * 12 = 24 eggs in the first week. Jacob ate 75% as many eggs the next week, which is (75/100) * 24 = 18 eggs. In total, Jacob ate 24 + 18 = 42 eggs in two weeks.
|
42
|
Julia will stay in Paris in January for 15 days in which she has to use international data that would cost $2.00 per day. Julia has been paying $200 per month for her regular plan. How much in all will be Julia’s charges for January?
|
The international charge cost $2.00 x 15 = 30. Therefore, Julia's bill for January is $200 + 30 = $230.
|
230
|
Jessica has a bag of 60 caramels. She eats 4 caramels everyday. After 7 days, Jessica finds extra candies in her bag. If there are now 70 caramels in her bag, how many extra candies did Jessica find?
|
Jessica ate a total of 4 caramels/day * 7 days = 28 caramels. Jessica had 60 - 28 = 32 caramels left in her bag before finding the extra candies. The number of extra candies Jessica found is 70 - 32 = 38 caramels.
|
38
|
In the orchard, Anna picked 7 apples every day for 4 days and 6 pears everyday for 3 days. If she eats 2 apples and 3 pears, how many fruits did she have left?
|
Anna picked 7 apples/day * 4 days = 28 apples. She also picked 6 pears/day * 3 days = 18 pears. In total, Anna picked 28 apples + 18 pears = 46 fruits. After eating, she has left 46 fruits - 2 apples - 3 pears = 41 fruits.
|
41
|
The price of a math textbook in the school bookshop is $45. If those sold in bookshops outside the school cost 20% less, how much can Peter save by buying from other bookshops rather than the school's if he wants to buy 3 math textbooks?
|
20% of $45 is (20/100)*$45 = $9 The price of the textbook in other bookshops cost $9 less than $45 which is $45-$9 = $36 Three textbooks from the school bookshop would cost $45*3 = $135 Three textbooks from another bookshop would cost $36*3 = $108 Peter can save $135-$108 = $27 by buying from another bookshop
|
27
|
Katrina wants to raise funds for a charity. She thought of selling cookies at $2 per cookie. If her goal is to raise $400 and she already has $100 from her savings, how many cookies does she need to sell to reach her goal?
|
The goal is to raise $400, and Katrina already has $100, so Katrina needs $400- $100 = 300 more. Each cookie is sold for $2, so Katrina needs to sell 300/2 = 150 cookies.
|
150
|
A runner runs 8 miles a day for the first 200 days of the year. The rest of the year, he runs 9 miles a day. How many total miles does he run in a year?
|
For the first 200 days he runs 200*8=1600 miles There are 365-200=165 days left in the year He runs 9*165=1485 miles for those days So in total he runs 1600+1485=3085 miles
|
3085
|
Alex bought some comic books. He purchased three Batman comics at $4 each, and some Spiderman comics at $2 each. How many Spiderman comics did Alex buy if he spent $20 in total?
|
Three Batman comic books costs $4 x 3 = $12. So the Spiderman comics cost $20 - $12 = $8. Therefore, Alex bought $8/$2 = 4 Spiderman comics.
|
4
|
Melissa reads two chapters of her book every day. If a chapter represents one-twelfth of the entire book, then how many books does Melissa read in 60 days?
|
Two chapters each day for 60 days is 60*2=120 chapters. If each book has 12 chapters, then 120 chapters represent 120/12=10 books.
|
10
|
Jeanie found a promotion at the supermarket for a bag of cookies. If she buys two identical bags she will only pay for one and a half. If each bag originally cost $4, how much will Jeanie pay for the two bags of cookies?
|
She will pay 1.5 times $4 = $6 for the two bags of cookies.
|
6
|
A train travels at a speed of 120 kilometers per hour. If the train leaves at 8 a.m. and reaches its destination at 1 p.m., how far is the destination?
|
The train journey lasts for 1 p.m. - 8 a.m. = 5 hours. The distance to the destination is 5 hours * 120 km/hr = 600 kilometers.
|
600
|
Mark works in a car wash. He can clean 3 cars in 2 hours. If Mark is working 16 hours this week, how many cars can he clean?
|
We know how many cars Mark can clean in a 2-hour increment. This week, Mark will work for 16 / 2 = 8 increments. Mark can clean 3 cars per increment, so he can clean 3 * 8 = 24 cars.
|
24
|
A baker makes 12 pies each day. If each pie can serve 8 people and he donated half of the pies to a local charity event, how many people can he feed at the event?
|
Baker donated half: 12/2=6 pies Each pie can serve 8 people: 6*8=48 He can feed 48 people at the event.
|
48
|
Liam's farm produces 150 eggs every day. Each carton can hold 10 eggs. How many cartons does Liam need to pack all the eggs produced daily?
|
Liam's farm produces 150 eggs daily and each carton can hold 10 eggs. Therefore, Liam needs 150 / 10 = 15 cartons per day.
|
15
|
A mechanic repairs 8 cars per day. One day, he repairs 25% fewer cars than usual. How many cars does he repair that day?
|
The mechanic repairs 8 * 0.25 = 2 fewer cars that day. So, he repairs 8 - 2 = 6 cars that day.
|
6
|
In the chemistry club, there are three times as many juniors as seniors. If there are 8 senior members, how many members are there in the chemistry club in total?
|
There are 8 x 3 = 24 junior members in the club. Thus, the chemistry club has a total of 8 + 24 = 32 members.
|
32
|
A school has 500 students. One day, 80 students are absent. The school admits 50 new students. How many students does the school have?
|
The school has initially 500 students. If 80 are absent, there are 500 - 80 = 420 students. If 50 more students are admitted, the school now has 420 + 50 = 470 students.
|
470
|
There are 100 students in a school. If 60% of them are girls, how many boys are there in the school?
|
There are 60%*100=60 girls in the school So, there are 100-60=40 boys in the school
|
40
|
A train traveling at 60 miles per hour leaves a station at noon. Another train traveling at 75 miles per hour leaves the same station in the same direction two hours later. After how many hours will the faster train catch up to slower train?
|
In two hours, the first train has already traveled 60 * 2 = 120 miles. The speed difference between the two trains is 75 - 60 = 15 miles per hour. So, the faster train will catch up to the slower train in 120 / 15 = 8 hours (after it leaves). Since the faster train leaves 2 hours after the slower one, it will catch up at 2 + 8 = 10 hours after noon.
|
10
|
A painter uses 3 litres of paint per square meter and he has a painting contract for a building whose outer wall area is 500 sq meter. If each litre of paint costs $20, how much money will he need to buy the paint?
|
He needs 3*500 = 1500 litres of paint for the building. He hence needs to spend 1500*20 =$30000 to buy the paints.
|
30000
|
A baker makes 20 loaves of bread and sells them for $6 each. If he decides to give a 10% discount for each loaf, what will be the total cost for all the loaves?
|
The discount for each loaf is 6 dollars * 10/100 = $0.6. The discounted price for a loaf will be $6 - $0.6 = $5.4. The total cost for all loaves will be $5.4/loaf * 20 loaves = $108.
|
108
|
Lucy has 500 apples. She gave away 30 apples to her friends. If she also sells 5 apples a day at her shop, how many apples will she have left after 6 days?
|
Lucy sells 5 * 6 = 30 apples in 6 days. Lucy gave away 30 + 30 = 60 apples. So, Lucy will have 500 - 60 = 440 apples left after 6 days.
|
440
|
A movie theater charges $10 for a ticket. They show 3 movies per day. How much money will the movie theater make if they sell out all movies for 7 days?
|
A movie theater makes 10*3=$30 for a day. If they sell out for 7 days, they make 7*30=$210
|
210
|
A class is learning to bake cookies. They bake 200 cookies for a charity event. 15% of the cookies got burned and were not usable. The remaining good cookies were equally divided among the 30 attending students. How many cookies did each student get?
|
The number of cookies burned is 200 x 15% = 30. The remaining good cookies are 200 - 30 = 170. So, each student got 170 / 30 = 5.67 cookies. Since it is not possible to divide a cookie into .67, we can assume that each student got 5 cookies, and some cookies were left behind.
|
5
|
At Joe's Pizza Shop he sells a large pizza for $18. During weekend, they offer 20% discount on every large pizza. Joe sold five large pizzas. How much did he earn on selling 5 large pizzas?
|
Each pizza had a discount of 18 * 20% = $3.6. So, the price of each pizza after the discount was 18 - 3.6 = $14.4. Therefore, on selling 5 pizzas he earned 14.4 * 5 = $72.
|
72
|
Linda is planning a road trip that is 240 miles long. She estimates that she will drive at an average speed of 60 miles per hour. How long will the trip take in hours?
|
The trip will take 240 miles / 60 miles per hour = 4 hours.
|
4
|
Alex just held auditions for the college choir. 70% of the 40 sopranos got in, a third the 60 altos got in, 1/4 of the 80 tenors got in, and 1/5th of the 40 basses got in. How many people are in the choir total?
|
First find the total number of sopranos who were accepted: 40 sopranos * .7 = 28 sopranos Then find the total number of altos who were accepted: 60 altos * 1/3 = 20 altos Then find the total number of tenors who were accepted: 80 tenors * 1/4 = 20 tenors Then find the total number of basses who were accepted: 40 basses * 1/5 = 8 basses Then add the number of each kind of voice to find the total number of people in the choir: 28 sopranos + 20 altos + 20 tenors + 8 basses = 76 people
|
76
|
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