# Bella saw 7 out of 11 people brought a umbrella to the beach there were 99 people. how many of them did not have a beach umbrella?

Mar 31, 2018

36

#### Explanation:

$\frac{99}{11} = 9$

4 out of 11 didn't bring one.

9 X 4 = 36

Mar 31, 2018

$36$

#### Explanation:

$\frac{99}{11} = 9$

So if $7$ out of $11$ brought one, then $4$ out of $11$ didn't bring one.

$9 \times 4 = 36$

people did not bring an umbrella out of the $99$ that came.