Mei Mei has a loyalty card good for a 8% discount at her local pharmacy. If the total cost, before tax and discount, of all the items she wants to buy is cc, which expression represents the cost after the discount?

How much money does ron have left each month after his fixed expenses? ron graduated from college five years ago. he recently bought a house, but shares it with a housemate who pays him $800 a month for rent and utilities. ron is putting a budget worksheet together so he will have a better idea of where his money is going and where he can save. enlarge