SOLUTION: In a certain class, if Laura's average rose from 84 to 96, by what percent did her average increase? A) 12% B) 12 1/2% C) 14 2/7% D) 16 2/3 % E) 85 5/&% Thank you!

Question 467380: In a certain class, if Laura's average rose from 84 to 96, by what percent did her average increase?
A) 12%
B) 12 1/2%
C) 14 2/7%
D) 16 2/3 %
E) 85 5/&%
Thank you!
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
They are asking:
"What is ( 2nd average - 1st average ) / 1st average

The answer is (C)
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