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OpenStudy (anonymous):
In a school, the girl to boy ratio is 4/5, there are 27 students in this school, how many boys are there?
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OpenStudy (anonymous):
let the no of gals b 4x and boys b 5x...... thn, 4x + 5x=27 x=3 so boys=5x=15
OpenStudy (anonymous):
ah Thank you!
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