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solve using ratios: the ratio of boys to girls in a sophomore class of 460 students is 11:12. Find the number of boys. I haven't done ratios since 6th grade O.o please help! Thank you:)

Mathematics
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If there are n items of two kinds, type a and type b, the number of type a items is found from: \[n \times \frac{a}{a+b}\] Can you do the problem now?
253 boys?
or is it 220 boys? .....

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Hint: Add 11 + 12 to get the total number of boys and girls then find x of this proportion: \(\large\frac{11}{23} = \frac{x}{460}\)
thank you so it is 220 :)

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