Percentages Math Example 4

Follow the full solution, then compare it with the other examples linked below.

Example 4

medium
If 1818 is 30%30\% of a number, what is the number?

Solution

  1. 1
    Set up the equation: 0.30×x=180.30 \times x = 18.
  2. 2
    Solve for xx: x=180.30=60x = \frac{18}{0.30} = 60.

Answer

6060
When you know the part and the percentage, divide the part by the decimal form of the percentage to find the whole.

About Percentages

A way of expressing a quantity as a fraction of 100, written with the symbol % to mean 'per hundred.'

Learn more about Percentages →

More Percentages Examples

Example 1 easy

What is [formula] of [formula]80$?

Example 2 medium

A student scored 42 out of 60 on a test. What is the percentage score?

Example 3 easy

What is [formula] of [formula]?

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