Question

The final cost of a bookstore purchase with a $5 coupon in a state that charges 8% sales tax is given by the expression. The variable x represents the amount of the purchase before the sales tax and the coupon is applied.
1.08(x−5)

What does (x−5) represent?




A the cost before applying the coupon

B the rate at which the total cost increases

C the total charge after tax

D the total charge before applying sales tax

Answer 1

D) the total charge before applying the sales tax

It’s the amount after you apply the $5 coupon, but before you apply the sales tax, which is 8%