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greeneyes<3
 3 years ago
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:)
greeneyes<3
 3 years ago
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:)

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kropot72
 3 years ago
Best ResponseYou've already chosen the best response.0If 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?

greeneyes<3
 3 years ago
Best ResponseYou've already chosen the best response.1or is it 220 boys? .....

Hero
 3 years ago
Best ResponseYou've already chosen the best response.1Hint: Add 11 + 12 to get the total number of boys and girls then find x of this proportion: \(\large\frac{11}{23} = \frac{x}{460}\)

greeneyes<3
 3 years ago
Best ResponseYou've already chosen the best response.1thank you so it is 220 :)
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