Question

At a used book sale, all paperback books are the

same price. Henry buys 4 paperback books for
$3.20. Lainey buys 9 paperback books.

Answer 1

Uh Lainey spends 7.20$

Explanation:

3.2/4 is 1 book price, 0.8 is one book price, so 9 books price is 0.8*9 which is 7.2