Question
The ratio of Vaidev's total scores to that of Brandon's in the exam was 8 : 9. In the next exam, Vaidev's scores increased by 70%. By what percentage must Brandon's scores be increased if their total scores 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 Vaidev's total scores to that of Brandon's in the exam was 8 : 9. In the next exam, Vaidev's scores increased by 70%. By what percentage must Brandon's scores be increased if their total scores were to be the same? Round off your answer to the nearest whole number.