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26-10-2015
Mathematics

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In a museum, the ratio of adults to children is 6 to 7. If there are 104 people in the museum, how many children are there?

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ForceRomania2 ForceRomania2

26-10-2015

x=adults
y=children
[tex]\frac{x}{y}=\frac{6}{7}=\ \textgreater \ x=\frac{6y}{7}\\ x+y=104\\ \frac{6y}{7}+y=104\\ 6y+7y=728\\ 13y=728=\ \textgreater \ y=56[/tex]

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