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?

asked Oct 12, 2016 17.2k views

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5 votes

x=adults
y=children

$(x)/(y)=(6)/(7)=\ \textgreater \ x=(6y)/(7)\\ x+y=104\\ (6y)/(7)+y=104\\ 6y+7y=728\\ 13y=728=\ \textgreater \ y=56$

Artxur answered Oct 19, 2016

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