anonymous
  • anonymous
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
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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kropot72
  • kropot72
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?
anonymous
  • anonymous
253 boys?
anonymous
  • anonymous
or is it 220 boys? .....

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

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