AdoNice
AdoNice
05.11.2019 • 
Mathematics

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?

Solved
Show answers

Ask an AI advisor a question