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13-12-2018
Mathematics

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A family purchased tickets for a concert. They paid a total of $90 for 7 adult tickets and 12 child tickets. The price of a child ticket was two-thirds the price of an adult ticket.How much was the price of an adult ticket

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13-12-2018

Answer: 7 + 2/3(12) = 15

90/15 = $6 for adult tickets

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