Question

Write and solve a proportion to answer the question. (Skills Review Handbook) 20. What percent of 60 is 18?

Answer 1

30%

Explanation:

1) Set a linear equation

`(18)/(60) = (x)/(100)`

2) Cross multiply

`60x = 18 * 100`

3) Multiple the right side

`60x = 1800`

4) Divide both side by 60

`(60x)/(60) = (1800)/(60)`

5) Solve the linear quation

`x = 30`

The 30% of 60 is 18