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Mathematics, 26.05.2021 18:30 jahnoibenjamin

2) A group of people bought movies tickets to see Despicable Me 3. They bought a total of 7 tickets, some adult and some
child tickets. They spent a total of $72. If adult tickets cost $12
and child tickets cost $9, write, and solve a system of
equations to show how many of each ticket were purchased.
Let c represent child tickets and a represent adult tickets.

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