# 3 is 30 percent of what number?

Answer: 3 is 30 percent of 10

## Fastest method for calculating 3 is 30 percent of what number

Assume the unknown value is 'Y'

3 = 30% x Y

3 = 30 / 100 x Y

Multiplying both sides by 100 and dividing both sides of the equation by 30 we will arrive at:

Y = 3 x 100 / 30

Y = 10%

Answer: 3 is 30 percent of 10

If you want to use a calculator, simply enter 3x100÷30 and you will get your answer which is 10

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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 = 30% / 3

Drop the percentage marks to simplify your calculations: 100 / Y = 30 / 3

Multiply both sides by Y to move Y on the right side of the equation: 100 = ( 30 / 3 ) Y

Simplifying the right side, we get: 100 = 30 Y

Dividing both sides of the equation by 30, we will arrive at: 10 = Y

This leaves us with our final answer: 3 is 30 percent of 10