Question

A 9-foot roll of plastic wrap costs $4.41. What is the price per yard?

Answer 1

$1.47 per yard

Explanation:

3 feet = 1 yard

9 feet = 3 yards

set up a proportion

`(3)/(4.41) = (1)/(x)`

cross multiply; 3x = 4.41 * 1

3x = 4.41

divide both sides by 3

x = 1.47

$1.47 per yard