Question
The ratio of Ian's total scores to that of Xavier's in the exam was 7 : 8. In the next exam, Ian's scores increased by 70%. By what percentage must Xavier'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 Ian's total scores to that of Xavier's in the exam was 7 : 8. In the next exam, Ian's scores increased by 70%. By what percentage must Xavier's scores be increased if their total scores were to be the same? Round off your answer to the nearest whole number.