Question
The ratio of Fred's total points to that of Tommy's in the test was 8 : 9. In the next test, Fred's points increased by 70%. By what percentage must Tommy's points be increased if their total points were to be the same? Round off your answer to the nearest whole number.
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The ratio of Fred's total points to that of Tommy's in the test was 8 : 9. In the next test, Fred's points increased by 70%. By what percentage must Tommy's points be increased if their total points were to be the same? Round off your answer to the nearest whole number.