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StacksOfBooks
AThe machine is $720 at 10% off.  So, to find the discount, we multiply $720 by 10%.  10% = 0.1, so 720*0.1=72.  Answer: 72

b. But that's not the actual price!  The machine is 10% OFF.  That means it is 100% of the price, $720, MINUS 10%, $72.  720-72=648.  Answer: 648
thia2hip

the discount is 72 dollars off. The machine sale price is $648. To find the discount you move the decimal to the left one place. (this is only because it is 10% off)
To find the sales price you subtract the discount from the original price.

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