Answer: The answer is C. 12.5%
Step-by-step explanation: To find the person of increase you first got to find the amount of increase. From 56 to 63 there was 7 amount of increase. No we compare 7 to the original or whole to find the increase but in percent.
Increase: 7
Percent of increase: 7/56 = .125 = 12.5%
The before original: 56
The after: 63
