SOLUTION: After 10% discount has been given the discounted cost of a coat is $765. What was the original cost of the coat? how do i work this out?

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Question 581768: After 10% discount has been given the discounted cost of a coat is $765. What was the original cost of the coat?
how do i work this out?
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
After 10% discount has been given the discounted cost of a coat is $765. What was the original cost of the coat?
.
Let x = original cost of coat
then
x - .10x = 765
x(1 - .10) = 765
x(.90) = 765
x = 765/.90
x = $850