Question: Nancy buys 2 coffees a day. She grabs a double espresso for $3.00 every morning. In the afternoon, she grabs an iced coffee for $2.50. After 20 days, how much money has she spent on coffee?
Answer: Step-by-step reasoning process: She gets a double espresso for $3.00 every morning and an iced coffee for $2.50 in the afternoon so she spends 3 + 2.5 = $5.50 every day on coffee. After 20 days, she spends 20 * 5.5 = $110.00 on coffee.
So the answer is 110.

Question: Selena reads a book with 400 pages. Harry reads a book with 20 fewer than half the number of pages Selena's book has. How many pages are in the book of Harry?
Answer: Step-by-step reasoning process: Half the number of pages of Selena is 400 / 2 = 200. Therefore, Harry's book has 200 - 20 = 180 pages.
So the answer is 180.

Question: Jim has 2 rows of 4 trees to start. When he turns 10 he decides to plant a new row of trees every year on his birthday. On his 15th birthday after he doubles the number of trees he has. How many trees does he have?
Answer: Step-by-step reasoning process: He started with 2 * 4 = 8 trees. He plants trees for 15 - 10 = 5 years. So he planted 5 * 4 = 20 trees. So he had 20 + 8 = 28 trees. After doubling them he had 28 * 2 = 56 trees.
So the answer is 56.

Question: Tanika is selling boxes of crackers for her scout troop's fund-raiser. On Saturday, she sold 60 boxes. On Sunday, she sold 50% more than on Saturday. How many boxes did she sell, in total, over the two days?
Answer:
Step-by-step reasoning process: She sold 60 * 1.50 = 90 boxes on Sunday. The total is 60 + 90 = 150 boxes.
So the answer is 150.