Question
The ratio of Elijah's total points to that of Jack's in the exam was 6 : 7. In the next exam, Elijah's points increased by 90%. By what percentage must Jack'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 Elijah's total points to that of Jack's in the exam was 6 : 7. In the next exam, Elijah's points increased by 90%. By what percentage must Jack's points be increased if their total points were to be the same? Round off your answer to the nearest whole number.