# 42.5 is what percent of 170?

Answer: 42.5 is 25 percent of 170

## Fastest method for calculating 42.5 is what percent of 170

Assume the unknown value is 'Y', and 42.5 of 170 can be written as:

Y = 42.5 / 170

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

Y = 42.5 / 170 x 100 / 100 = 25 / 100

Y = 25%

Answer: 42.5 is 25 percent of 170

If you want to use a calculator, simply enter 42.5÷170x100 and you will get your answer which is 25

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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% / 170 = Y% / 42.5

Drop the percentage marks to simplify your calculations: 100 / 170 = Y / 42.5

Multiply both sides by 42.5 to isolate Y on the right side of the equation: 42.5 ( 100 / 170 ) = Y

Computing the left side, we get: 25 = Y

This leaves us with our final answer: 42.5 is 25 percent of 170