# What is 20 percent of 210 (20% of 210)?

Answer: 20 percent of 210 is 42

## Fastest method for calculating 20 percent of 210 (20% of 210)

Assume the unknown value is 'Y'

Y = 20 / 100

Y = 20 / 100 x 210

Y = 42

Answer: 20 percent of 210 is 42

If you want to use a calculator, simply enter 20÷100x210 and you will get your answer which is 42

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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% / 210 = 20% / Y

Drop the percentage marks to simplify your calculations: 100 / 210 = 20 / Y

Multiply both sides by Y to transfer it on the left side of the equation: Y ( 100 / 210 ) = 20

To isolate Y, multiply both sides by 210 / 100, we will have: Y = 20 ( 210 / 100 )

Computing the right side, we get: Y = 42

This leaves us with our final answer: 20% of 210 is 42