Reasoning and answer: Single dog is $20 + (10 minutes * $1 per minute) = $30. Two dogs are 2 * ($20 + (7 minutes * $1 per minute)) = $54. Three dogs are 3 * ($20 + (9 minutes * $1 per minute)) = $87. The total is $30 + $54 + $87 = $171.
The answer: 171
What was the question?
Question: Greg has his own dog walking business. He charges $20 per dog plus $1 per minute per dog for walking the dog. If he walks one dog for 10 minutes, two dogs for 7 minutes and three dogs for 9 minutes, how much money, in dollars, does he earn?


1000 pounds more than 5ooo pounds is 6000 pounds. If one ton is 2000 pounds, then the tongue of a blue whale weighs 6000 / 2000 = 3 tons.
The answer: 3
Reverse engineering the question: The largest animal to have ever lived on earth is the blue whale. The tongue of an adult blue whale can weigh 6000 pounds. If one ton is 2000 pounds, how many tons can the tongue of an adult blue whale weigh?


Reasoning and answer: He bought 10 / 2 = 5 pants. The shirts cost a total of 10 * 6 = $60. The pants cost 8 * 5 = $40. So the total cost was 60 + 40 = $100.
The answer: 100
What was the question?
Question: James buys 10 shirts and half as many pants. The shirts cost $6 each and the pants cost $8 each. How much did everything cost?


The total amount of money she spent is $17 + $22 + $43 + $5 + $45 = $132. Add this to the amount she had left over to find the amount of money she brought at the beginning: $132 + $35 = $167.
The answer: 167
Reverse engineering the question: Trisha needed to buy some groceries for herself and her dog. She spent $17 on meat, $22 on chicken, $43 on all the veggies, $5 on the eggs, and finally $45 on her dog’s food. When she left the store, she had only $35 left. How much money did she bring with her at the beginning?


Reasoning and answer: The amount of milk one cow gives in a week: 5 liters / day * 7 days / week = 35 liters / week. The amount of milk 52 cows give in a week: 52 cows * 35 liters / week / cow = 1820 liters / week.
The answer: 1820
What was the question?
Question: A farmer has 52 cows. Each cow gives 5 liters of milk a day. How many liters of milk does the farmer get in a week?


Reasoning and answer: First find the number of cups of banana mush Hannah gets: 20 bananas / 4 bananas / cup = 5 cups. Then multiply the number of cups of mush by the ratio of flour to mush to find the number of cups of flour: 5 cups mush * 3 cups flour / 1 cup mush = 15 cups flour.
The answer: 15
What was the question?
Question:
Hannah is making banana bread. She needs to use 3 cups of flour for every cup of banana mush. It takes 4 bananas to make one cup of mush. If Hannah uses 20 bananas, how many cups of flour should she use?