Question
The ratio of Zeph's total scores to that of Mark's in the mock test was 5 : 6. In the next mock test, Zeph's scores increased by 90%. By what percentage must Mark'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 Zeph's total scores to that of Mark's in the mock test was 5 : 6. In the next mock test, Zeph's scores increased by 90%. By what percentage must Mark's scores be increased if their total scores were to be the same? Round off your answer to the nearest whole number.