Reasoning and answer: Last year's winner walked 11 miles because 44 / 4 = 11. Elroy has to walk 16 miles to collect $44 because 44 / 2.75 = 16. Elroy will walk 5 more miles because 16 - 11 = 5.
The answer: 5
What was the question?
Question: Elroy decides to enter a walk-a-thon and wants to make sure he ties last year's winner's cash collection. Last year, walkers earned $4 a mile. This year walkers earn $2.75 a mile. If last year's winner collected $44, how many more miles will Elroy walk than last year's winner to collect the same amount of money?


Grayson first travels 1 * 25 = 25 miles. Then Grayson travels 0.5 * 20 = 10 miles. Grayson travels a total of 25 + 10 = 35 miles. Rudy travels 3 * 10 = 30 miles. Grayson travels 35 - 30 = 5 miles more than Rudy.
The answer: 5
Reverse engineering the question: Grayson drives a motorboat for 1 hour at 25 mph and then 0.5 hours for 20 mph. Rudy rows in his rowboat for 3 hours at 10 mph. How much farther, in miles, does Grayson go in his motorboat compared to Rudy?


Reasoning and answer: There were 80 / 2 = 40 wireless mice sold. There were 80 / 4 = 20 optical mice sold. So, there were a total of 40 + 20 = 60 wireless and optical mice sold. Therefore, 80 - 60 = 20 trackball mice were sold this month.
The answer: 20
What was the question?
Question: Marky owns a computer accessory shop. For this month, half of their sales are wireless mice, one-fourth are optical mice, and the rest are trackball mice. If Marky's shop was able to sell a total of 80 mice, how many of them are trackball mice?


At the meeting, 200 - 100 = 100 people decided to have a snack. 20 new people came in to snack and the area had 100 + 20 = 120 of them eating. 120 / 2 = 60 people got full and left. 10 more new people came to join in the snacking so 60 + 10 = 70 people were eating. After 30 people left, 70 - 30 = 40 people who were eating remained. In the end, only 40 / 2 = 20 kept eating.
The answer: 20
Reverse engineering the question: A large gathering occurred at the town hall with 200 people participating. 100 people decided to have a snack, and then 20 new outsiders joined in to have a snack. Half of these snack eaters got full and left. 10 new outsiders came to have snacks, too. 30 more snack eaters got their fill and left. Then half of the remaining snack eaters left later on. How many snack eaters are left?


Reasoning and answer: Oliver used 1 / 3 x 135 = 45 stickers. So, there were 135 - 45 = 90 stickers remaining. His friend received 2 / 5 x 90 = 36 stickers. Therefore, Oliver kept 90 - 36 = 54 stickers.
The answer: 54
What was the question?
Question: Oliver had 135 stickers. He used 1/3 of his stickers, gave 2/5 of the remaining to his friend, and kept the remaining stickers. How many stickers did he keep?


Reasoning and answer: First find the number of ounces Erin serves per minute: 10 ounces / bowl * 5 bowls / minute = 50 ounces / minute. Then find the number of ounces in the pot: 6 gallons * 128 ounces / gallon = 768 ounces. Then divide the total amount of soup by the amount of soup Erin serves per minute: 768 minutes / 50 ounces / minute = 15.36 minutes, which rounds down to 15 minutes.
The answer: 15
What was the question?
Question:
Erin works in the school cafeteria serving soup. Each bowl of soup has 10 ounces, and Erin can serve 5 bowls per minute. If the pot of soup has 6 gallons of soup, how long will it take Erin to serve all the soup, rounded to the nearest minute? (There are 128 ounces to a gallon.)