20 percent off 42?

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20 percent off 42? = 33.60 and Saved amount 8.4
Input fields % percent off ?
Output fields

Percent off: 20 %


Original price: 42 $


Final price: 33.6 $


Saved amount: 8.4 $


Formula: (100 - 20)/100 × 42 = 33.6   

20 percent off 42

What is 20 percent off 42?. We will walk through step-by-step practical examples to calculate 20% percent off 42 . And you can see the answer of how to figure out 20% off 42?. You can find other values other than (20%, 42) by using Percent Off Calculator or the calculator above.


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Solution for 20 percent off 42

Formula: (100 - X) / 100 × Y
  • 100 refers to 100% (One hundred percent).
  • X It is the percentage, and it's 20% in our example
  • Y It is the number, and it's 42.


Step 1 (100 - 20)/100 × 42

We subtract 20 from 100 at first, then divide the result by 100. after that multiple the result by 42.


Step 2 = (80)/100 × 42

100 (One hundred) percent minus 20 percent equals 80 percent . The next step, we will divide 80 by 100.


Step 3 = 0.8 × 42

80 divided by 100 equals 0.8 .


Step 4 = 33.6

0.8 multiplied by 42 equals 33.6 .


The result20% off 42 equals 33.6, and the difference is 8.4

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