What is 20 percent of 40 (20% of 40)?

Answer: 20 percent of 40 is 8

Fastest method for calculating 20 percent of 40 (20% of 40)

Assume the unknown value is 'Y'

Y = 20 / 100

Y = 20 / 100 x 40

Y = 8

Answer: 20 percent of 40 is 8

If you want to use a calculator, simply enter 20÷100x40 and you will get your answer which is 8

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What is% of
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Have time and want to learn the details?

Let's solve the equation for Y by first rewriting it as: 100% / 40 = 20% / Y

Drop the percentage marks to simplify your calculations: 100 / 40 = 20 / Y

Multiply both sides by Y to transfer it on the left side of the equation: Y ( 100 / 40 ) = 20

To isolate Y, multiply both sides by 40 / 100, we will have: Y = 20 ( 40 / 100 )

Computing the right side, we get: Y = 8

This leaves us with our final answer: 20% of 40 is 8

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