Question

18 is 40 Percebt of what number?

Answer 1

Let's use the variable x to represent the number we want to find.

If 18 is 40% of x, we have:

`\begin{gathered} 40\text{\%}\cdot x=18 \\ \text{0}.4x=18 \\ x=(18)/(0.4) \\ x=45 \end{gathered}`

So 18 is 40% of 45.