215 is 28 percent of what number? (28% of what number is 215?)

215 is 28 percent of what number?

"215 is 28 percent of what number?" is a word problem where the answer is a number. Specifically, if you calculate 28 percent of number (x), you will get 215. Thus, you can illustrate the problem "215 is 28 percent of what number (x)" like this:

28% of x = 215

To calculate 28 percent of a number, we multiply the number by 28 and then divide by 100. Therefore, we can make the following function:

		28 ∗ x
		100

= 215

To solve for x, we first multiply both sides by 100 and then divide both sides by 28 to get the x = 767.86. Therefore, the answer to 215 is 28 percent of what number? is:

767.86

If we substitue "what number" in the question "215 is 28 percent of what number?" with 767.86, we get this sentence: 215 is 28 percent of 767.86. Since this statement is true, we know that our answer is correct.

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