### Home > ACC6 > Chapter 5 Unit 12 > Lesson CC2: 5.2.2 > Problem5-40

5-40.

The average annual rainfall in Tucson, Arizona is $12$ inches. Between January and April, $2.4$ inches of rain fell. What percentage of the annual rainfall fell after April (May through December)? You may want to draw a diagram to organize information.

If $2.4$ inches of rain fell between January and April and the annual rainfall is about $12$ inches, the remainder must have fallen from May through December.

Since $12-2.4=9.6$, the rainfall from May through December must be $9.6$ inches.
If $9.6$ inches is taken as a fraction of the total average annual rainfall of $12$ inches,
what percentage of the annual rainfall after April does this fraction represent?

$\frac{9.6}{12}\rightarrow\frac{96}{120}\rightarrow\frac{4}{5}$

Convert the fraction to a percentage to find the answer.