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Ivanshal [37]
2 years ago
11

A grade has 81 girls and 72 boys. The grade is split into groups that have the same ratio of girls to boys as the whole grade. H

ow many girls are in a group that has 16 boys?
Mathematics
1 answer:
Delicious77 [7]2 years ago
4 0
There will be 18 girls in a group of 16 boys.

you divide 72 by 16 and get 4.5.
then you divide 81 by 4.5 and get 18.

That is how you get 18 girls in a  group of 16 boys.

Hope that helped.
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