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