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