Jason purchased a pack of game cards that was on sale for 13% off. the sales tax in his county is 8%. let y represent the original price of the cards. write an expression that can be used to determine the final cost of the cards.

a) y − 0.13y

b) 1.08(0.87y)

c) 0.08(0.87y)

d) y − 0.87y + 0.08y