SOLUTION: a sweater is marked 25% off of the original price. what expression would represent the cost of the sweater after mark down?

Question 262097: a sweater is marked 25% off of the original price. what expression would represent the cost of the sweater after mark down?
Found 2 solutions by unlockmath, richwmiller:
Answer by unlockmath(1688) (Show Source): You can put this solution on YOUR website!
Hello,
Let's have "x" represent the original price of the sweater.
So we can see that:
25% times the cost of the sweater is what is saved, right? Or rewritten as:
.25x but we want the cost after the savings so we'd write it like this:
x-.25x will be the expression needed.
To put this in reality let's say the sweater cost $90 and see if this expression works.
$90-.25(90) Do the calculation and it is:
90-22.50 = $67.50
OK, it works.
RJ
Check out a book I wrote at:
www.math-unlock.com
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
let x= original price
marked down price =.75x

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