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