# 40 is what percent of 200?

Answer: 40 is 20 percent of 200

## Fastest method for calculating 40 is what percent of 200

Assume the unknown value is 'Y', and 40 of 200 can be written as:

Y = 40 / 200

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

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

Y = 20%

Answer: 40 is 20 percent of 200

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

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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% / 200 = Y% / 40

Drop the percentage marks to simplify your calculations: 100 / 200 = Y / 40

Multiply both sides by 40 to isolate Y on the right side of the equation: 40 ( 100 / 200 ) = Y

Computing the left side, we get: 20 = Y

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