Question

in a school of 750 kids 320 are girls 559do some kind of sports .if 101 do no sports ,how many boys also do no sport

Answer 1

total is 750
girls are 320
sporty are 559
no-sporty are 101
boys-no-sport?
First the boys,
boys = 750 - girls = 750 - 320
boys = 430
some of the 101 non-sporty kids are boys, but to know how many of them are boys we cannot know.