Answer
702 drivers in the 30-39 age group were pulled over.
Work Step by Step
6000 is the whole. The percent is 11.7%. The part is unknown.
$\frac{x}{6000} = \frac{11.7}{100}$
$100x = 11.7\times6000$
$\frac{100x}{100} = \frac{70200}{100}$
$x = 702$