# 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?

Algebra ->  Percentages: Solvers, Trainers, Word Problems and pie charts -> 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?      Log On

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 Algebra: Percentage and Pie Charts Solvers Lessons Answers archive Quiz In Depth

 Click here to see ALL problems on percentage 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(4670)   (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