He earns a fixed weekly salary of $300 plus a fee of $5 for each car he parks. his potential earnings for a week are shown in the graph. at what point does he begin to earn more from fees than from his fixed salary?

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.