Reasoning and answer: Emmy and Gerry have a total of $200 + $100 = $300. Therefore, Emmy and Gerry can buy $300 / $2 = 150 apples altogether.
The answer: 150
What was the question?
Question: A fruit stand is selling apples for $2 each. Emmy has $200 while Gerry has $100. If they want to buy apples, how many apples can Emmy and Gerry buy altogether?


The first 4 customers bought 4 * 2 = 8 paintings. The next 12 customers bought 12 * 1 = 12 paintings. The last 4 customers bought 4 * 4 = 16 paintings. In total Tracy sold 8 + 12 + 16 = 36 paintings.
The answer: 36
Reverse engineering the question: Tracy set up a booth at an art fair. 20 people came to look at her art. Four of those customers bought two paintings each. The next 12 of those customers bought one painting each. The last 4 customers bought four paintings each. How many paintings did Tracy sell at the art fair?


Reasoning and answer: John is half times his father's age. Thus 1 / 2 * 40 = 20 years. Since the mother is 4 years younger than the father, she is 40 - 4 = 36 years old. The age difference between John and his mother is 36 - 20 = 16 years.
The answer: 16
What was the question?
Question: John is half times younger than his father, who is 4 years older than John's mother. If John's father is 40 years old, what's the age difference between John and his mother?


If 10 half - gallons of milk bake 40 cookies, then one half - gallon of milk bakes 40 / 10 = 4 cookies. If one half - gallon of milk bakes 4 cookies. to bake 200 cookies, you'll need 200 / 4 = 50 half - gallons of milk.
The answer: 50
Reverse engineering the question: Juan needs 10 half-gallons of milk to bake 40 cookies with. How many half-gallons of milk does Juan need to bake 200 dozen cookies?


Reasoning and answer: Shelby and her mom made 12 bags of buttered popcorn + 10 bags of caramel popcorn = 22 bags. Of those 22 bags, her brother took 3 bags of buttered popcorn + 1 bag of caramel popcorn = 4 bags. So now Shelby has 22 bags – 4 bags = 18 bags of popcorn left.
The answer: 18
What was the question?
Question: Shelby was having a movie party for her birthday. She and her mom made a dozen bags of buttered popcorn and 10 bags of caramel popcorn. Her brother Alan took 3 bags of buttered popcorn and 1 bag of caramel popcorn for his friends. How many bags of popcorn does Shelby have left for the party?


Reasoning and answer: When Jerry reads 30 pages on Saturday, he would be remaining with 93 - 30 = 63 pages. After reading an additional 20 pages on Sunday, he would be remaining with 63 – 20 = 43 pages.
The answer: 43
What was the question?
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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Jerry has an interesting novel he borrowed from a friend to read over the weekend. The book has 93 pages. On Saturday, he reads 30 pages. On Sunday, he goes to church and comes back, sits down, and reads 20 pages of the book. How many pages are remaining before Jerry can finish the book?