# What percent of 20 is 40?

Answer: 200 percent of 20 is 40

## Fastest method for calculating what percent of 20 is 40

Assume the unknown value is 'Y', and 40 of 20 can be written as:

Y = 40 / 20

By multiplying both numerator and denominator by 100 we will get:

Y = 40 / 20 x 100 / 100 = 200 / 100

Y = 200%

Answer: 200 percent of 20 is 40

If you want to use a calculator, simply enter 40÷20x100 and you will get your answer which is 200

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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% / 20 = Y% / 40

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

Multiply both sides by 40 to isolate Y on the right side of the equation: 40 ( 100 / 20 ) = Y

Computing the left side, we get: 200 = Y

This leaves us with our final answer: 200 percent of 20 is 40