The original cost of a pair of jeans is $26.49. You buy 3 pairs. The jeans are on sale for 25% off and there is a 4.75% sales tax how much will you pay

First thing to know so that we can determine the amount you will pay is to understand the other cost made on the jeans. It is said that it is on sale for 25% this means that this certain amount should be subtracted. Another cost is the tax wherein you have to add this amount. We calculate as follows:

Cost = 26.49 - 26.49x. 25 + 26.49x. 0475 = 21.13