PLEASE HELP!! {tickets for a play cost $3 for children and $10 for adults A group of 25 people paid a total of 201 for tickets to the the play How many children were there in a group.}

ANSWERS

2016-04-28 16:31:51

3c+10a=201 a+c=25, a=25-c, using this value of a in the original equation gives us: 3c+10(25-c)=201 perform indicated multiplication on left side 3c+250-10c=201 group like terms on the left side -7c+250=201 subtract 250 from both sides -7c=-49 divide both sides by -7 c=7 So seven children were in the group.

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