Question
The ratio of Fred's total scores to that of Michael's in the mock test was 6 : 7. In the next mock test, Fred's scores increased by 90%. By what percentage must Michael's scores be increased if their total scores were to be the same? Round off your answer to the nearest whole number.
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The ratio of Fred's total scores to that of Michael's in the mock test was 6 : 7. In the next mock test, Fred's scores increased by 90%. By what percentage must Michael's scores be increased if their total scores were to be the same? Round off your answer to the nearest whole number.