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