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If 5/9 of the members of the school chorus are boys, what is

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If 5/9 of the members of the school chorus are boys, what is [#permalink] New post 03 May 2017, 02:30
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If \(\frac{5}{9}\) of the members of the school chorus are boys, what is the ratio of the girls to boys in the chorus ??

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[Reveal] Spoiler:
\(\frac{4}{5}\)

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Re: If 5/9 of the members of the school chorus are boys, what is [#permalink] New post 09 Oct 2017, 08:11
If we take a cozy value for the number of members of the chorus, such as 90, the number of boys will be 90*(5/9) = 50, then the girls would be 90-50 = 40.

The ratio girl to boys is then 40/50 or simplifying 4/5.
Re: If 5/9 of the members of the school chorus are boys, what is   [#permalink] 09 Oct 2017, 08:11
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If 5/9 of the members of the school chorus are boys, what is

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