Question
The ratio of Seth's total points to that of Zane's in the exam was 7 : 8. In the next exam, Seth's points increased by 70%. By what percentage must Zane'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 Seth's total points to that of Zane's in the exam was 7 : 8. In the next exam, Seth's points increased by 70%. By what percentage must Zane's points be increased if their total points were to be the same? Round off your answer to the nearest whole number.