380 is 21 percent of what number? (21% of what number is 380?)

380 is 21 percent of what number?

"380 is 21 percent of what number?" is a word problem where the answer is a number. Specifically, if you calculate 21 percent of number (x), you will get 380. Thus, you can illustrate the problem "380 is 21 percent of what number (x)" like this:

21% of x = 380

To calculate 21 percent of a number, we multiply the number by 21 and then divide by 100. Therefore, we can make the following function:

		21 ∗ x
		100

= 380

To solve for x, we first multiply both sides by 100 and then divide both sides by 21 to get the x = 1809.52. Therefore, the answer to 380 is 21 percent of what number? is:

1809.52

If we substitue "what number" in the question "380 is 21 percent of what number?" with 1809.52, we get this sentence: 380 is 21 percent of 1809.52. Since this statement is true, we know that our answer is correct.

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