Question

In six months the membership at a fitness center went from 3,500 to 4,200. what was the percent of increase in the membership?

A:10%
B:15%
C:20%
D:16 out of 2 over 3%

please show work thank you!

Answer 1

It is definitely C: 20%

Subtract the original value from the new value, then divide the result by the original value then multiply the result by 100 and it will give you the answer


`(4200 - 3500)/(3500) * 100`

`(700)/(3500) * 100`

`0.2 * 100 = 20\%`