Luisa wants to purchase 2 DVDs. At Stay and Play DVDs are on sale-buy 1 get 1 free. At Barney's the DVDs are 25% off. Which is a better deal?
+2668 Assume the DVD costs d, For the first option, you would only pay the cost of one d. For the second option, you would pay the cost of d+0.75d, because the first one costs d, and the second one costs 0.75d. Thus, the first option is the better deal.
