Question

10. Brody is buying a TV that costs y dollars. He found a coupon for 10% off. How much would hepay if he used the coupon?

Answer 1

Let's begin by listing out the information given to us:

TV cost = y dollars

discount = 10%

Cost (discount) = TV cost - (TV cost * discount) = y - (y * 10%)

Cost (discount) = y - 0.1y = 0.9y