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Mathematics 8 Online
OpenStudy (anonymous):

ickets to a concert cost $2 for children and $5 for adults. If 630 people attended the concert and the ticket sales totaled $2,910, how many children attended the concert?

OpenStudy (conqueror):

5(630 − c) + 2c = 2910

OpenStudy (conqueror):

Solve for C

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