Coupons Bookstores

A bookstore offers a 15% discount to its employees. Suppose and employee has a coupon worth $5 off any item?

and wants to buy a book that costs $45. What is the final cost of the book if the employee discount is taken first and then the coupon is subtracted?

45 x (1 – .15) – 5
45 x .85 – 5
38.25 – 5
33.25

Coupon Discount Book