etanogueira etanogueira

30-06-2017
Mathematics

contestada

There are 80 total students in the 7th grade this year and the ratio of boys to girls is 3;7. How many boys are in 7th grade this year?

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TheBestBrain TheBestBrain

30-06-2017

There are 24 boys and 56 girls. Hope this helps.

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micaelaybarra micaelaybarra

30-06-2017

24 boys

every ten students 3 are boys
there are 8 sets of ten
so 8 x 3 = 24

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