Convert to a Percentage 15 is what percent of 40

$15$ is what percent of $40$

Write the problem as a mathematical expression.

$\frac{15}{40}$

Convert to decimal.

$0.375$

Multiply $0.375$ by $100$ to convert to a percentage.

$0.375 \cdot 100$

Simplify $0.375 \cdot 100$ .

$37.5 %$