Q: Johnny is a dog walker. He can walk 3 dogs at once. He gets paid $15 for a 30-minute walk and $20 for a 60-minute walk. Johnny works for 4 hours per day. If he always walks the maximum number of dogs possible and 6 dogs have 60-minute walks per day, how much money does he make in a week where he works 5 days?
A: Johnny spends 6 / 3 = 2 hours walking the 6 dogs who have 60 - minute walks. He makes $20 * 6 = $120 for these walks. Thus, he has 4 - 2 = 2 hours = 120 minutes left to walk the other dogs. He can walk 3 * (120 / 30) = 12 dogs in this time. Thus, he will make $15 * 12 = $180 on these walks. In total per day, he makes $120 + $180 = $300 per day. Thus, during the week, he makes $300 * 5 = $1500. The answer is 1500.
Question: Preston has a sandwich shop. He charges $5 for each sandwich. He also charges $20 for a delivery fee. Abra Company orders 18 sandwiches from Preston and also tips him 10%. How much total, in dollars, did Preston receive?
Answer: First, find the price of the sandwiches $5 per sandwich * 18 sandwiches = $90. Now add in the delivery fee $90 + $20 = $110. Now the tip $110 * 0.10 = $11. Add the tip to the price of the sandwiches $110 + $11 = $121 in total. The answer is 121.
[Question]Janet's grades for her first semester of college were 90, 80, 70, and 100. If her semester 2 average was 82 percent, how much higher was her semester 1 average compared to her semester 2 average?
[Answer]First add all Janet's grade for the first semester of college: 90 + 80 + 70 + 100 = 340. Then divide that number by 4 to find her average grade: 340 / 4 = 85. Then subtract her semester 2 average to find the difference: 85 - 82 = 3. The answer is 3.
Q: Natalie has $26 to go shopping. She bought a jumper for $9, a T-shirt for $4, and a pair of heels for $5. How much money does Natalie have left?
A: The total cost of the clothes is $9 + $4 + $5 = $18. Natalie has $26 $18 = $8 left. The answer is 8.
Question: The Great Pyramid of Giza was the tallest man-made structure on earth for almost 4000 years. It is 20 feet taller than 500 feet, and 234 feet wider than it is tall. What is the sum of the height and width of the Great Pyramid of Giza in feet?
Answer: The height is 20 feet taller than 500 feet, or 500 + 20 = 520 feet. The structure is 234 feet wider than it is tall, or a width of 520 + 234 = 754 feet wide. Therefore, the sum of the height and width of the Great Pyramid of Giza is 520 + 754 = 1274 feet. The answer is 1274.
Q: Maryann can pick the lock on a cheap pair of handcuffs in 6 minutes and on an expensive pair of handcuffs in 8 minutes. If Maryann needs to rescue three of her friends who have expensive handcuffs on their hands and cheap handcuffs on their ankles, how long will it take for her to free all of them?
A:
First find the total time it takes Maryann to rescue one friend: 6 minutes + 8 minutes = 14 minutes. Then multiply the time to save one friend by the number of friends Maryann needs to save: 14 minutes / friend * 3 friends = 42 minutes. The answer is 42.