Question

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

Answer 1

Answer:

30%

Step-by-step explanation:

1) Set a linear equation

$\frac{18}{60} = \frac{x}{100}$

2) Cross multiply

$60x = 18 \times 100$

3) Multiple the right side

$60x = 1800$

4) Divide both side by 60

$\frac{60x}{60} = \frac{1800}{60}$

5) Solve the linear quation

$x = 30$

The 30% of 60 is 18