Question

Write and solve a proportion to answer the question. (Skills Review Handbook) 22. 30 is 15% of what number?

Answer 1

The answer is 148.6666667

Explanation:

1) Set a linear quation

`(22.30)/(x) = (15)/(100)`

2) Cross multiply

`15x = 22.30 * 100`

3) Multiple the right side

`15x = 2230`

4) Divide both side by 15

`(15x)/(15) = (2230)/(15)`

5) Solve the linear equation

`x = 148.6666667`