Question
The ratio of Xavier's total points to that of Albert's in the mock exam was 7 : 8. In the next mock exam, Xavier's points increased by 90%. By what percentage must Albert's points be increased if their total points were to be the same? Round off your answer to the nearest whole number.
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The ratio of Xavier's total points to that of Albert's in the mock exam was 7 : 8. In the next mock exam, Xavier's points increased by 90%. By what percentage must Albert's points be increased if their total points were to be the same? Round off your answer to the nearest whole number.