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06-05-2016
Mathematics

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how many boy are they if the ratio of boys to girls is 3:2 and there's 400 people

Respuesta :

06-05-2016

You would do;

3 X
– = –––
2 400

you would cross multiply. You would get 2X = 1,200
X = 600 boys

I am hoping I did this right. :)

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