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There are 2113 people at a concert.there are 5 times as many girls as boys.there are 377 more adults than boys.find the number of girls at the concert.

 Mar 8, 2017
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x = number of girls   then

1/5x = number of boys

377 + 1/5 x = adults

 

All of these added together = 2113

 

x + 1/5 x  + 377 + 1/5 x = 2113

7/5 x = 1736

x=girls=1240          (boys = 248   adults = 625)

 Mar 8, 2017

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