Question

In 3 years, a gym's membership went up from 6400 to 8400. Which expression shows how to find the percent increase?

Answer 1

$Change=100* \frac{8400}{6400}$

$\frac{8400}{6400} =1.31$

$1.31*100=131$

The total increase is $131%$.

For the percent growth rate:

$growth= \frac{131}{3}$

Solve for the percent growth rate :)