Question
The ratio of Billy's total points to that of Ryan's in the test was 5 : 6. In the next test, Billy's points increased by 70%. By what percentage must Ryan'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 Billy's total points to that of Ryan's in the test was 5 : 6. In the next test, Billy's points increased by 70%. By what percentage must Ryan's points be increased if their total points were to be the same? Round off your answer to the nearest whole number.