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How to find 40 percent of a number ?

Calculate and Find 40 percent of a number :

  1. Select any two or three digit number.
  2. Now multiply the number by 4.
  3. Third step is to shift the decimal point one place to the left side.

Example 1 

  1. Let us select two digit number, it is 32.
  2. Now multiply number 32 by 4, so 32x4=128
  3. Now shift the decimal point one place to the left so 12.8
  4. Hence 40 % of 32 is 12.8

Example 2

  1. Let us select three digit number, it is 200.
  2. Now multiply number 200 by 4, so 200x4=800
  3. Now shift the decimal point one place to the left so 80.0
  4. Hence 40 % of 200 is 80

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