[Question]Marj has two $20 bills, three $5 bills, and $4.50 in loose coins in her wallet. If she buys a cake that costs $17.50, how much money will be left in her wallet?
[Answer]Two $20 bills amount to $20 x 2 = $40. Three $5 bills amount to $5 x 3 = $15. So, Marj has $40 + $15 + $4.50 = $59.50 in her wallet. If she buys a cake, she will be left with $59.50 - $17.50 = $42. The answer is 42.
Q: Sadie, Ariana and Sarah are running a relay race. Each part of the race is a different length and covers different terrain. It takes Sadie 2 hours to run through the forest at an average speed of 3 miles per hour. Ariana sprints across the open field on her section at 6 miles per hour for half an hour. If Sarah runs along the beach at four miles per hour and their total time for the race is four and half hours, what is the total distance of the race?
A: Sadie ran for 3 miles / hour * 2 hour = 6 miles. Ariana covered a distance of 6 miles / hour * (1 / 2) hour = 3 miles. Sarah ran for 4.5 hours 2 hours 0.5 hours = 2 hours. In this time, Sarah traveled a distance of 4 miles / hour * 2 hours = 8 miles. The total distance for the race was 6 miles + 3 miles + 8 miles = 17 miles. The answer is 17.
Question: There are 322 voters in District 1. District 2 has 19 less voters than District 3. District 3 has twice as many voters as District 1. How many total voters are in Districts 1 - 3?
Answer: D1 = 322. D3 = 2 * 322 = 644. D2 = 644 - 19 = 625. 322 + 625 + 644 = 1591. There are 1591 voters in Districts 1 - 3. The answer is 1591.
[Question]On Mary's birthday, her brother surprised her with $100. She spent a quarter of it on a new video game and then used a fifth of what was left on swimming goggles. How much money did she have left?
[Answer]Mary spent 100 / 4 = 25 dollars on a new video game. So, after the video game purchase, Mary was left with 100 - 25 = 75 dollars. Mary then bought swimming goggles for 75 / 5 = 15 dollars. Mary had 75 - 15 = 60 dollars left. The answer is 60.
Q: The town of Centerville spends 15% of its annual budget on its public library. Centerville spent $3,000 on its public library and 24% on the public parks. How much is left of the annual budget?
A: The entire budget of Centerville is $3000 / 0.15 = $20,000. The budget for the parks is $20,000 * 0.24 = $4,800. After the park and the library there will be $20,000 - ($3,000 + $4,800) = $12,200 left in the budget. The answer is 12200.
Question: John runs a telethon to raise money. For the first 12 hours, he generates $5000 per hour. The remaining 14 hours, he generates 20% more per hour. How much total money does he make?
Answer:
He gets 12 * 5000 = $60000 for the first 12 hours. For the next 14 hours, he gets 5000 * .2 = $1000 more per hour. So he gets 5000 + 1000 = $6000 per hour. So he gets 6000 * 14 = $84000. So in total, he makes 84000 + 60000 = $144,000. The answer is 144000.