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6 votes
6 votes
18 is 40 Percebt of what number?

User Alec Jacobson
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1 Answer

19 votes
19 votes

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.

User JMI
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