3/4 times 18= 13.5 31.5-13.5=18 It cost 18 dollars for the skirt with a discount. It cost 13.5 for the blouse as opposed to the original price of 18 dollars. 18(skirt)+13.5(blouse)=31.5 If you set up a proportion to find the original price of the skirt you will get the answer. 18/x=75/100 75x=18 times 100 75x=1800 75x/75=1800/75 x=24 The original price of the skirt is 24 dollars.
