[Question]Sandy earns $15 per hour. She worked 10 hours on Friday with her best friend, 6 hours on Saturday alone and 14 hours on Sunday with her other co-workers. How much money did Sandy earn in all on Friday, Saturday and Sunday?
[Answer]The total number of hours Sandy worked on Friday, Saturday and Sunday was 10 + 6 + 14 = 30 hours. Beth made 30 × $15 = $450 in those 3 days. The answer is 450.
Q: There were 21 dollars in the cookie jar. Doris spent $6 from the cookie jar. Martha spent half as much as Doris. How much money, in dollars, was left in the cookie jar?
A: Martha spent 6 / 2 = 3 dollars. Martha and Doris spent 6 + 3 = 9 dollars. There were 21 - 9 = 12 dollars left in the cookie jar. The answer is 12.
Question: Cindy was 5 years old. Her sister Jan was 2 years older than Cindy. Their oldest sister Marcia was twice as old as Jan. Greg was two years older than Marcia. How old was Greg?
Answer: Jan was 2 years older than Cindy who was 5 so 2 + 5 = 7 years old. Marica was twice as old as Jan so 2 * 7 = 14 years old. Greg was 2 years older than Marcia who was 14 so 2 + 14 = 16 years old. The answer is 16.
[Question]A lot of people have been sick at Gary's workplace, so he's been working a lot of extra shifts to fill in for people. As a result, he's earned some overtime (where every hour after 40 he earns 1.5 times his normal wage.) His paycheck (before taxes are taken out) came out to $696. If Gary normally earns $12 per hour, how many hours did he work that week?
[Answer]Gary earned overtime, so he worked at least 40 hours. for which he was paid 40 hours * $12 / hour = $480 at his normal wage. This means that $696 - $480 = $216 was earned at his overtime wage. His overtime wage is 1.5 his normal wage, or $12 * 1.5 = $18 per hour. So Gary worked $216 / $18 per hour = 12 hours' worth of overtime. So in total, Gary worked 40 hours + 12 hours = 52 hours that week. The answer is 52.
Q: If Billy and Jenny each order a $20 steak along with a $5 drink, how much will Billy have to pay in tips if he wants to cover 80% of a 20% tip for the two of them?
A: First, we figure out the price per meal by adding the steak and the drink together, finding a cost of 20 + 5 = 25 per meal. Then we multiply this by 2, as there are two people eating, meaning a total cost of 25 * 2 = 50 for both meals. Then we find the total tip amount for a 20% tip, by multiplying 50 * .2 = 10. Then we find out what 80% of this tip amount is by multiplying the desired tip of 10 by .8, finding 10 * .8 = 8 dollars that Billy should contribute. The answer is 8.
Question: Mary's sheep can run 12 feet per second, and her sheepdog can run 20 feet per second. A sheep standing 160 feet away from the sheep dog bolts, and the dog runs after it. How many seconds does it take the dog to catch the sheep?
Answer:
First find how much faster the dog is than the sheep: 20 feet / second - 12 feet / second = 8 feet / second. Then divide the distance the dog needs to run by the speed difference: 160 feet / 8 feet / second = 20 seconds. The answer is 20.