Of the 15-year-olds at a karate school, 9 have black belts and 15 have brown belts. Among the 16-year-olds, 17 have black belts and 19 have brown belts. Which age group has a higher ratio of black belts to brown belts?

Asked by Topperlearning User | 20th Nov, 2013, 09:01: AM

Expert Answer:

Among 15-year-olds, the ratio of black belts to brown belts is 9 to 15.

Among 16-year-olds, the ratio is 17 to 19.

We have to find which is higher:  or .



The 16-year-olds have a higher ratio of black belts to brown belts than 15-year olds.

Answered by  | 20th Nov, 2013, 11:01: AM