18 is 7 percent of what number? (7% of what number is 18?)

18 is 7 percent of what number?

"18 is 7 percent of what number?" is a word problem where the answer is a number. Specifically, if you calculate 7 percent of number (x), you will get 18. Thus, you can illustrate the problem "18 is 7 percent of what number (x)" like this:

7% of x = 18

To calculate 7 percent of a number, we multiply the number by 7 and then divide by 100. Therefore, we can make the following function:

		7 ∗ x
		100

= 18

To solve for x, we first multiply both sides by 100 and then divide both sides by 7 to get the x = 257.14. Therefore, the answer to 18 is 7 percent of what number? is:

257.14

If we substitue "what number" in the question "18 is 7 percent of what number?" with 257.14, we get this sentence: 18 is 7 percent of 257.14. Since this statement is true, we know that our answer is correct.

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