SOLUTION: Jason got a 7 5 on a math test. He was allowed to go to the math lab and take a retest. He increased his score to 84. What was the percent of increase?

Question 4194: Jason got a 7 5 on a math test. He was allowed to go to the math lab and take a retest. He increased his score to 84. What was the percent of increase?
Answer by rapaljer(4671) (Show Source): You can put this solution on YOUR website!
Percent of increase always equals the amount of increase divided by the ORIGINAL amount.

Amount of increase = 84-75 which is 9.

Percent of increase = which reduces to . Percent means "per hundred", so it's helpful to get the denominator of the fraction up to 100. You can do that by multiplying numerator and denominator by 4:
or 12 %.

R^2 at SCC
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