Reasoning and answer: The total amount of money that Zachary received from selling his video games is $40 * 5 = $200. Jason received 30 / 100 * $200 = $60 more than the amount Zachary received after selling his games. The total amount of money that Jason received is $60 + $200 = $260. Together, Zachary and Jason received $260 + $200 = $460 from the sale of their video games. Ryan received $260 + $50 = $310 from the sale of his video games. The three friends made a total of $310 + $460 = $770 from the sale of the video games.
The answer: 770
What was the question?
Question: When three friends sold their video games, Ryan, the first of the three friends, received $50 more than Jason from his sales. Jason received 30% more money than Zachary from selling his video games. If Zachary sold 40 games at $5 each, calculate the total amount of money the three friends received together from the sale of the video games.


He has sharpened in 7 times because 35 / 5 = 7. He has chopped down 91 trees because 7 x 13 = 91.
The answer: 91
Reverse engineering the question: Felix is chopping down trees in his backyard. For every 13 trees he chops down he needs to get his axe resharpened. It cost him $5 to sharpen his axe. If he spends $35 on axe sharpening, at least how many trees has he chopped down?


Reasoning and answer: Natasha was driving at 60 miles / 1hr = 60 mph. The speed limit was 60mph - 10 mph = 50 mph.
The answer: 50
What was the question?
Question: If Natasha was going 10 mph over the speed limit and it took her an hour to arrive at her destination that was 60 miles away, what was the speed limit?


In four years, Suzy will be 20 + 4 = 24. Then Mary will be 24 / 2 = 12. Then Mary is now 12 - 4 = 8.
The answer: 8
Reverse engineering the question: In four years, Suzy will be twice Mary's age then. If Suzy is 20 now, how old is Mary?


Reasoning and answer: She originally dropped 5000 / 25 = 200 kernels of popcorn. The squirrel ate 200 / 4 = 50 kernels of popcorn. Therefore, 200 - 50 = 150 kernels of popcorn remain on the ground.
The answer: 150
What was the question?
Question: Jenny lives 5000 feet from her school, and every day she walks home. One day as she was walking home from school, she dropped 1 kernel of popcorn per 25 feet she walked. Later that evening, a squirrel came and ate one-quarter of the popcorn Jenny had dropped on her way home. If Jenny walks to school the following morning and counts the popcorn on the ground, what is the total number of popcorn kernels she will find remaining on the ground?


Reasoning and answer: First, we need to determine how many slices of bread Jimmy will use to make the sandwiches. We determine this by performing 8 * 2 = 16 slices of bread needed. We then divide the number of slices needed by the number of slices per bread pack, performing 16 / 4 = 4 packs of bread needed.
The answer: 4
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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Jimmy decides to make sandwiches for a picnic. He makes 8 sandwiches in total, using two slices of bread each. How many packs of bread does he need to buy to make these sandwiches, assuming he starts with no bread and each pack has 4 slices of bread in it?