# Jason got a 75 on a math test. He was allowed to retake the test and he increased his score to 84. What was the percent of increase?

Apr 7, 2017

12% increase

#### Explanation:

Change = (new - old) / (old)

Change = $\frac{84 - 75}{75}$

Change = $\frac{9}{75}$

Change = 0.12 = 12%