# 9 percent of forty Dollars

Using this tool you can find any percentage in three ways. So, we think you reached us looking for answers like: What is 9 (9%) percent (%) of forty (40)? Or may be: 9 percent of forty Dollars. See the solutions to these problems just after the percentage calculator below.

See the solutions to these problems just after the percentage calculator below.

## How to work out percentages - Step by Step

Here are the solutions to the questions stated above:

### 1) What is 9% of 40?

Always use this formula to find a percentage:

^{%} / _{100} = ^{Part} / _{Whole} replace the given values:

^{9} / _{100} = ^{Part} / _{40}

Cross multiply:

9 x 40 = 100 x Part, or

360 = 100 x Part

Now, divide by 100 and get the answer:

Part = ^{360} / _{100} = 3.6

### 2) 9 is what percent of 40?

Use again the same percentage formula:

^{%} / _{100} = ^{Part} / _{Whole} replace the given values:

^{%} / _{100} = ^{9} / _{40}

Cross multiply:

% x 40 = 9 x 100

Divide by 40 and get the percentage:

% = ^{9 x 100} / _{40} = 22.5%