# 42 is 8 percent of what number?

Answer: 42 is 8 percent of 525

## Fastest method for calculating 42 is 8 percent of what number

Assume the unknown value is 'Y'

42 = 8% x Y

42 = 8 / 100 x Y

Multiplying both sides by 100 and dividing both sides of the equation by 8 we will arrive at:

Y = 3 x 100 / 8

Y = 525%

Answer: 42 is 8 percent of 525

If you want to use a calculator, simply enter 42x100÷8 and you will get your answer which is 525

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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% / Y = 8% / 42

Drop the percentage marks to simplify your calculations: 100 / Y = 8 / 42

Multiply both sides by Y to move Y on the right side of the equation: 100 = ( 8 / 42 ) Y

Simplifying the right side, we get: 100 = 8 Y

Dividing both sides of the equation by 8, we will arrive at: 525 = Y

This leaves us with our final answer: 42 is 8 percent of 525