Mathematics
NenitaNetkowicz282
21

60% of the class are girls.there are 18 girls - how many students are there in the class? - how many boys are there?

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(1) Answers
argirojda

So if 18=3/5 which is 60% then we find x times .6= 18 so x=30 and in a 30 person class, 18 are girls, 12 must be boys

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