# Samantha worked after school at a local petting zoo. 21 hours represents 60% of her time working each week. How much time did she spend working each week?

May 11, 2018

This is a matter of fractions

#### Explanation:

You know that 21 hours is 60% of her work time
so...

$\frac{60}{100}$ would equal 21 by a bigger whole. Use x to represent this.

$\frac{60}{100} = \frac{21}{x}$

If you cross multiply you would get: $60 x = 21 \cdot 100$

$x = \frac{2100}{60}$