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