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