391 is 8 percent of what number? (8% of what number is 391?)

391 is 8 percent of what number?

"391 is 8 percent of what number?" is a word problem where the answer is a number. Specifically, if you calculate 8 percent of number (x), you will get 391. Thus, you can illustrate the problem "391 is 8 percent of what number (x)" like this:

8% of x = 391

To calculate 8 percent of a number, we multiply the number by 8 and then divide by 100. Therefore, we can make the following function:

		8 ∗ x
		100

= 391

To solve for x, we first multiply both sides by 100 and then divide both sides by 8 to get the x = 4887.5. Therefore, the answer to 391 is 8 percent of what number? is:

4887.5

If we substitue "what number" in the question "391 is 8 percent of what number?" with 4887.5, we get this sentence: 391 is 8 percent of 4887.5. Since this statement is true, we know that our answer is correct.

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