Question
The ratio of Michael's total marks to that of Elijah's in the mock test was 5 : 6. In the next mock test, Michael's marks increased by 90%. By what percentage must Elijah's marks be increased if their total marks were to be the same? Round off your answer to the nearest whole number.
3 m

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The ratio of Michael's total marks to that of Elijah's in the mock test was 5 : 6. In the next mock test, Michael's marks increased by 90%. By what percentage must Elijah's marks be increased if their total marks were to be the same? Round off your answer to the nearest whole number.