Question

30 is 20% of what number?

Explanation:

Step1: Define unknown number

Let the unknown number be $x$.

Step2: Set up percentage equation

$20\% \times x = 30$, or $\frac{20}{100}x = 30$

Step3: Simplify and solve for x

First simplify $\frac{20}{100} = 0.2$, then $x = \frac{30}{0.2}$

Answer:

150