catola3 catola3

06-02-2017
Mathematics

Answered

Of the 15-year-olds at a karate school, 7 have black belts and 10 have brown belts. Among the 16-year-olds, 10 have black belts and 19 have brown belts. Which age group has a lower ratio of black belts to brown belts?

Verified Answer :

lacey05 lacey05

06-02-2017

The 15-year old age group has the lower ratio (15years = 7:10. 16yr = 10:19

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