#### Answer

resulting in: $\frac{15}{76}$

#### Work Step by Step

So you know that there is 15,000 softball teams
You can calculate the total number of teams by adding together the teams pictured in the pie chart (Cross Country, Basketball, Track and Field, Softball and Volleyball.
So: $13000+18000+16000+15000+14000$
$=76000$
Now to calculate the ratio between softball teams to the total number of teams you need to express it as a fraction of
softball teams/total teams
$\frac{15000}{76000}$
Dividing the numerator and denominator by 1000 allows you to bring the ratio to the lowest terms:
$\frac{15000÷1000}{76000÷1000}$
resulting in: $\frac{15}{76}$