Question
The ratio of Glen's total marks to that of Elijah's in the test was 6 : 7. In the next test, Glen's marks increased by 70%. 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.
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The ratio of Glen's total marks to that of Elijah's in the test was 6 : 7. In the next test, Glen's marks increased by 70%. 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.