SOLUTION: Julie Richards paid $86.80 for a dress. the cost included an 8 1/2% sales tax. what was the cost of the dress without the sales tax?

Question 1150636: Julie Richards paid $86.80 for a dress. the cost included an 8 1/2% sales tax. what was the cost of the dress without the sales tax?
Answer by ikleyn(52818) (Show Source): You can put this solution on YOUR website!
.


Let x be cost of the dress without the sales tax.


    x + 0.085x = 86.80


    x*(1+0.085) = 86.80


    x           =  = 80.00  dollars.    ANSWER

Solved.

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