221 is 13 percent of what number? (13% of what number is 221?)

221 is 13 percent of what number?

"221 is 13 percent of what number?" is a word problem where the answer is a number. Specifically, if you calculate 13 percent of number (x), you will get 221. Thus, you can illustrate the problem "221 is 13 percent of what number (x)" like this:

13% of x = 221

To calculate 13 percent of a number, we multiply the number by 13 and then divide by 100. Therefore, we can make the following function:

		13 ∗ x
		100

= 221

To solve for x, we first multiply both sides by 100 and then divide both sides by 13 to get the x = 1700. Therefore, the answer to 221 is 13 percent of what number? is:

1700

If we substitue "what number" in the question "221 is 13 percent of what number?" with 1700, we get this sentence: 221 is 13 percent of 1700. Since this statement is true, we know that our answer is correct.

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