Alexa and Emily spend a total of $10 + $5 + $3 = $18. They make a total of $4 x 21 = $84. They make a profit of $84 - $18 = $66.
The answer: 66
Reverse engineering the question: Alexa and Emily open up a lemonade stand in the front yard. They spent $10 for lemons, $5 for sugar and $3 for cups. The lemonade is $4 a cup. They sell a total of 21 cups. How much profit did Alexa and Emily make after paying off expenses?


Reasoning and answer: The total cost of toilet paper is 10 * $1.5 = $15. The total cost of paper towels is 7 * $2 = $14. The total cost of tissues is $35 - $15 - $14 = $6. The cost of one box of tissues is $6 / 3 = $2.
The answer: 2
What was the question?
Question: Amber goes to the store and buys 10 rolls of toilet paper, 7 rolls of paper towels, and 3 boxes of tissues. One roll of toilet paper costs $1.50. One roll of paper towels costs $2. If the total cost of all the items is $35, how much does one box of tissues cost?


Autumn misplaced 7 and broke 3, so that lost her 7 + 3 = 10 pencils. Autumn found 4 pencils and bought 2, so she gained 4 + 2 = 6 pencils. She started with 20 pencils, lost 10 and gained 6 so she had 20 - 10 + 6 = 16 pencils left.
The answer: 16
Reverse engineering the question: Autumn was constantly misplacing her pencils. At the start of the school year, she purchased a pack of 20 pencils. In the first month of school, she misplaced 7 pencils, broke 3 pencils and had to throw them away, she found 4, and bought 2. How many pencils did Autumn have left?


Reasoning and answer: Jenny is older than Charlie by 5 years who is older than Bobby by 3 years, so Jenny is older than Bobby by 5 + 3 = 8 years. Jenny will be twice as old as Bobby when he is 8 * 2 = 16 years old. Jenny is 5 years older than Charlie so when Jenny is 16, Charlie will be 16 - 5 = 11 years old.
The answer: 11
What was the question?
Question: Jenny is older than Charlie by five years, while Charlie is older than Bobby by three years. How old will Charlie be when Jenny becomes twice as old as Bobby?


Beth is 5 + 9 = 14 now. Beth was 9 years old 14 - 9 = 5 years ago. Joey was 9 - 5 = 4.
The answer: 4
Reverse engineering the question: In 5 years, Joey will be as old as Beth is now. If Joey is 9 now, how old was Joey when Beth was Joey's age now?


Stephanie fell 13 + 3 = 16 times. Half the number of times Stephanie fell is 16 / 2 = 8 times. Sonya fell down 8 - 2 = 6 times.
The answer: 6
Reverse engineering the question:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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Steven, Stephanie, and Sonya went ice skating. Steven only fell down 3 times, but Stephanie had 13 more falls than Steven. If Sonya fell down 2 times less than half the number of times Stephanie fell, how many times did Sonya fall?