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To find the percentage of a whole part, the percentage must 1st be changed into a decimal and then multiplied by the whole part. In this case we have:

25 percent, it is changed to (.25).

25% of 20 dollars is .25(20.00) = $5.00

Now subtract the 5 dollars from the 20 to find the purchase price.

$20.00-$5.00= $15.00 is the purchase price.

Method 2.

In this case, it might be easier, however, if you just understand that 25% is a 1/4 or one quarter.

So a quarter of 20 is 5 since 5x4 =20

We can say write away, without a calculator, that the answer is $15. ( since 20-5 is 15)

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13y ago
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Wiki User

14y ago

20% is 5 dollars

so you would have 20 dollars

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Q: What is 20 percent off 25 dollars?
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