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06-12-2016
Mathematics

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The ratio of boys to girls in Math class is 3:4. If there are 21 total students in class, how many more girls are in the class than boys?

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mnikkel mnikkel

06-12-2016

There should be 3 more girls than boys in the class (9 boys, 12 girls)

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06-12-2016

3 to 4
3(3+4) is 21
There are 9 boys and 12 girls in the class
Answer=There are 3 more girls than boys

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