# What is 50 percent of 42 (50% of 42)?

Answer: 50 percent of 42 is 21

## Fastest method for calculating 50 percent of 42 (50% of 42)

Assume the unknown value is 'Y'

Y = 50 / 100

Y = 50 / 100 x 42

Y = 21

Answer: 50 percent of 42 is 21

If you want to use a calculator, simply enter 50÷100x42 and you will get your answer which is 21

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Here is a calculator to solve percentage calculations such as what is 50% of 42. You can solve this type of calculation with your own values by entering them into the calculator's fields, and click 'Calculate' to get the result and explanation.

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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% / 42 = 50% / Y

Drop the percentage marks to simplify your calculations: 100 / 42 = 50 / Y

Multiply both sides by Y to transfer it on the left side of the equation: Y ( 100 / 42 ) = 50

To isolate Y, multiply both sides by 42 / 100, we will have: Y = 50 ( 42 / 100 )

Computing the right side, we get: Y = 21

This leaves us with our final answer: 50% of 42 is 21