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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
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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.
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Re: If 5/9 of the members of the school chorus are boys, what is [#permalink] New post 06 Mar 2019, 15:20
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5/9 of the members of the school chorus are boys, that means 4/9 of the members of the school chorus are girls.

the ratio of the girls to boys in the chorus then is 4/9 : 5/9, which is (4/9) ÷ (5/9) = 36/45 = 4/5.
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Re: If 5/9 of the members of the school chorus are boys, what is [#permalink] New post 17 Mar 2019, 19:04
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For every 9 chorus members, 5 are boys, which means that 4 are girls. Hence, the ratios of girls to boys is 4 to 5.
Re: If 5/9 of the members of the school chorus are boys, what is   [#permalink] 17 Mar 2019, 19:04
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If 5/9 of the members of the school chorus are boys, what is

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