Question
The ratio of Tim's total points to that of Ethan's in the mock test was 7 : 8. In the next mock test, Tim's points increased by 90%. By what percentage must Ethan'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 Tim's total points to that of Ethan's in the mock test was 7 : 8. In the next mock test, Tim's points increased by 90%. By what percentage must Ethan's points be increased if their total points were to be the same? Round off your answer to the nearest whole number.