Convert to a Percentage 18 is what percent of 40

$18$ is what percent of $40$

Step 1

Write the problem as a mathematical expression.

$\frac{18}{40}$

Step 2

Convert to decimal.

$0.45$

Step 3

Multiply $0.45$ by $100$ to convert to a percentage.

$0.45 \cdot 100$

Step 4

Simplify $0.45 \cdot 100$ .

$45 %$