A group of neighborhood families are planning a trip to the museum. Tickets are $25 for adults and $10 for children. The group also has a coupon for $5 off. The expression 25a + 10c - 5 represents the total cost for a adult and c child tickets. Monica is purchasing tickets for 5 adults and 9 children. Evaluate the expression to find the total cost. 25a+10c 5 = 25 (5) + 10 (9) - 5 = ? + ? - 5