# 20 percent of what number is 3

You can solve 20 percent of what number is 3 without using a calculator. Normally you just type on Google to get the answer. But in this tutorial, you will learn step by step how to find 20 percent of what number is 3. Once you follow this guide, you will be able to solve similar problems easily.

If you are in a rush, 20 percent of 15 is 3

## How to find 20 percent of what number is 3

Let’s assume our missing number is z. In this method, you will use Z to form an equation.

Step 1: Write the problem as an expression

20% x Z = 3

Step 2: We can also express the above equation as

20 /100 x Z = 3

Step 3: Multiply both sides by 100 and divide both sides by Z

20/100 x 100/20 x Z = 3 x 100/20

Step 4: Simplify the equation

Z= 3 x 100/20

Therefore: 20 percent of 15 is 3

## How to find 20 percent of what number is 3 using a formula

Formula = Number x 100 /percent

Replace the formula with your numbers and simplify to get the answer

= 3 x 100/20

Therefore: 20 percent of 15 is 3

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