Explain why your friend will come home very disappointed?

Question

Suppose a friend planning a shopping spree on the day after Thanksgiving tells you he plans to buy a 65-inch plasma TV, and you say, " There's no way you can afford that." He then tells you that the store is offerin 50% off one item, and he has an internet coupon good for 50% off any price, even a discounted one. So that's 100% off, and he'll get it for free.

Answer 1

50% off a discounted price means 1/2 that price not the original price. 1/2 of 1/2 is 1/4 of the original price.