Question

fill in the missing number.
20% of $square$ = 4

Explanation:

Step1: Define unknown variable

Let the missing number be $x$.

Step2: Convert percentage to decimal

20% = $\frac{20}{100} = 0.2$

Step3: Set up equation

$0.2x = 4$

Step4: Solve for $x$

$x = \frac{4}{0.2}$

Answer:

20