# Question: What percent of 90 is 18.9

## Step by step method for calculating what percent of 90 is 18.9

We already have our first value 90 and the second value 18.9. Let's assume the unknown value is Y which answer we will find out.

As we have all the required values we need, Now we can put them in a simple mathematical formula as below:

STEP 1 Y = 18.9/90

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

STEP 2 Y = 18.9/90 × 100/100 = 21/100

STEP 3 Y = 21

Finally, we have found the value of Y which is 21 and that is our answer.

You can use a calculator to find what percent of 90 is 18.9, just enter 18.9 ÷ 90 × 100 and you will get your answer which is 21

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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% / 90 = Y% / 18.9

Drop the percentage marks to simplify your calculations: 100 / 90 = Y / 18.9

Multiply both sides by 18.9 to isolate Y on the right side of the equation: 18.9 ( 100 / 90 ) = Y

Computing the left side, we get: 21 = Y

This leaves us with our final answer: 21 percent of 90 is 18.9