SOLUTION: The average test score of RSM students in September increased by 10%. In October it increased by another 15%. By what percent did the average score on the test increase during the

Question 1036975: The average test score of RSM students in September increased by 10%. In October it increased by another 15%. By what percent did the average score on the test increase during the two months?
Answer by jorel555(1290) (Show Source): You can put this solution on YOUR website!
If the average test score improved in September by 10%, then it was 110% of what it was previously. Another 15% makes it 115% of 110%; which makes it 126.50% of what it was to begin with; or a gain of 26.50% over the two months!!!!!!!!1
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