Mathematics

9 February, 05:07

Of the 15-year-olds at a karate school, 8 have black belts and 14 have brown belts. Among the 16-year-olds, 7 have black belts and 12 have brown belts. Which age group has a lower ratio of black belts to brown belts? 15-year-olds 16-year-olds neither; the ratios are equivalent Submit

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