687 is 9 percent of what number? (9% of what number is 687?)

687 is 9 percent of what number?

"687 is 9 percent of what number?" is a word problem where the answer is a number. Specifically, if you calculate 9 percent of number (x), you will get 687. Thus, you can illustrate the problem "687 is 9 percent of what number (x)" like this:

9% of x = 687

To calculate 9 percent of a number, we multiply the number by 9 and then divide by 100. Therefore, we can make the following function:

		9 ∗ x
		100

= 687

To solve for x, we first multiply both sides by 100 and then divide both sides by 9 to get the x = 7633.33. Therefore, the answer to 687 is 9 percent of what number? is:

7633.33

If we substitue "what number" in the question "687 is 9 percent of what number?" with 7633.33, we get this sentence: 687 is 9 percent of 7633.33. Since this statement is true, we know that our answer is correct.

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