We have a question: Kim buys 3 pizzas. They are 12 slices each. The pizza cost $72. How much did 5 slices cost?
And an answer: 10
So how you got the answer?
he got 3 * 12 = 36 slices. So each slice cost 72 / 36 = $2. So 5 slices would cost 5 * 2 = $10.

We have a question: Happy Island has 60 turtles. This means there are 10 more than 2 times as many turtles on Happy Island as on Lonely Island. How many turtles are there on Lonely Island?
And an answer: 25
So how you got the answer?
After subtracting 10 from the number of turtles on Happy Island, we get 60 - 10 = 50 turtles. Dividing this number by two, we find that the number of turtles on Lonely Island is 50 / 2 = 25 turtles.

We have a question: Ron is part of a book club that allows each member to take a turn picking a new book every week. The club is made up of three couples and five single people along with Ron and his wife. How many times a year does Ron get to pick a new book?
And an answer: 4
So how you got the answer?
There are 3 couples in the club, so there are 3 * 2 = 6 people in couples in the club. Along with the singles and Ron and his wife, there are 6 + 5 + 2 = 13 people in the book club. There are 52 weeks in a year, so Ron gets to pick a new book 52 / 13 = 4 times a year.