Stuart is buying a pair of jeans that regularly cost $40. they are on sale for 20% off. if the tax rate is 8%, what is the sale price of the jeans including tax?
a. $21.60
b. $34.56
c. $42.34
d. $44.16

Well first you want to add the sales tax which would be 8% of 40 which is 3.2. So it costs $43.2 without the discount. so then you want to find 20% of 43.2 which is 8.64. So the last step is to subtract 8.64 from 43.2 which is

43.2 - 8.64 = $34.56 is your answer

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