# math

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Tickets to a show cost \$10 for adults and \$5 for children. The show was sold out, and the theatre has 500 seats. If the revenue collected from these ticket sales was \$2900, how many adult tickets were sold?

• math -

Add up the money collected for each kind of ticket. Since 500 were sold, if there were x adult tickets, then there were 500-x child tickets. So,

10x + 5(500-x) = 2900

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