Question
The ratio of Bobby's total scores to that of Sam's in the mock exam was 6 : 7. In the next mock exam, Bobby's scores increased by 70%. By what percentage must Sam'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 Bobby's total scores to that of Sam's in the mock exam was 6 : 7. In the next mock exam, Bobby's scores increased by 70%. By what percentage must Sam's scores be increased if their total scores were to be the same? Round off your answer to the nearest whole number.