A community theater is putting on a performance. *An adult's ticket sells for "a" dollars. *A child's ticket sells for "c" dollars. *The manager needs to collect $5000 in revenue to cover the theater's expenses. *The theater can seat 800 people, and the manager expects the show to sell out. *The manager wants to price the adult ticket at three times the cost of a child's ticket. The manager wants to find the break-even point where the theater's income equals its expenses. You need to determine the price of each ticket given the number of tickets sold.