Question

A used bookstore will trade 2 of its books for 3 of yours. If Val brings in 18 books to trade, How many books can she get from the store?

Answer 1

Answer:

She will get 12 books from the store

Step-by-step explanation:

We can use ratio's to solve

2 books out      x books out

------------------- =-----------------------------

3 books in          18 books in from Val

Using cross products

2 * 18 = 3 *x

Divide each side by 3

2*18 /3 = 3x/3

2*6 = x

12 =x

She will get 12 books from the store

Answer 2

Answer:

12 from the bookstore

Step-by-step explanation:

3 of yours ↔ 2 from the bookstore

18 of yours ↔ 12 from the bookstore