Question: Dave bought 8 books about animals, 6 books about outer space, and 3 books about trains to keep him busy over the holidays. Each book cost $6. How much did Dave spend on the books?
Answer: Step-by-step reasoning process: Dave buys 8 books + 6 books + 3 books = 17 books in total. He has to spend 17 books $6 / book = $102 if he wants to buy all the books.
So the answer is 102.

Question: Darcy washes and drys 20 shirts and 8 pairs of shorts. If he folds 12 of the shirts and 5 of the shorts, how many more remaining pieces of clothing does Darcy have to fold?
Answer: Step-by-step reasoning process: Darcy still has to fold 20 - 12 = 8 shirts. Darcy still has to fold 8 - 5 = 3 shorts. Darcy has to fold a total of 8 + 3 = 11 pieces of clothing.
So the answer is 11.

Question: Kendra made 4 more than five times as many decorated buttons as Mari. Sue made half as many as Kendra. Mari made 8 buttons. How many did Sue make?
Answer: Step-by-step reasoning process: Kendra made 4 + 5 * 8 = 44. Sue made 44 / 2 = 22.
So the answer is 22.

Question: Four classmates were comparing their ages based on their birth month. They found out that Jolyn is 2 months older than Therese while Therese is 5 months older than Aivo. Then, Leon is 2 months older than Aivo. How much older in months is Jolyn than Leon?
Answer:
Step-by-step reasoning process: Jolyn is 2 + 5 = 7 months older than Aivo. Since Leon is 2 months older than Aivo, then Jolyn is 7 - 2 = 5 months older than Leon.
So the answer is 5.