Question 107669
If the original price of the jeans was x, then the amount taken off of the original price was 30% of x, or 0.30x.  That means the sale price must have been 


{{{x-0.30x=39.20}}}


{{{0.70x=39.20}}}


{{{x=(39.20)/0.70}}}


I'll let you do the arithmetic.