Question
The ratio of Seth's total scores to that of Rael's in the mock test was 8 : 9. In the next mock test, Seth's scores increased by 90%. By what percentage must Rael's scores be increased if their total scores were to be the same? Round off your answer to the nearest whole number.
3 m

Click button first when a symbol is required. X

The ratio of Seth's total scores to that of Rael's in the mock test was 8 : 9. In the next mock test, Seth's scores increased by 90%. By what percentage must Rael's scores be increased if their total scores were to be the same? Round off your answer to the nearest whole number.