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16-09-2014
Mathematics

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The school choir has 84 members. The ratio of girls to boys is 3:4. How many members are girls?

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seharris017 seharris017

16-09-2014

There are 3 girls to every 4 boys, or to every 7 people. Therefore the percentage of girls to people is approximately 43%. So there are 36 girls.

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