Question

I'm not sure how to do this:

There are 9 people who are going to see a movie. The total cost for the tickets is $54, with adult tickets costing $8 each and child tickets costing $5 each. Write a system of equations to represent the situation. Use a for adult tickets, and c for child tickets
a+c = 9
8a+5c = 54
5 children and 2 adults tickets are $98. adult's ticket is 3 times more than childs solve the equation
wow its been a while

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