21 divided by what equals 31?

21 divided by what equals 31? In other words, you have 21 and you divide it by something and then you get 31. What is that something?

We will call that something "X". Here is the equation to find the solution:

		21
		X

= 31

First, multiply both sides by X to get rid of the X as denominator.

		21(X)
		X

= 31(X)

21 = 31X

Then, divide both sides by 31 to get X by itself as follows:

		21
		31

		31X
		31

0.677 = X

Thus, the answer to "21 divided by what equals 31?" is 0.677.

Note that our answers are rounded to the nearest thousandth if necessary. You can divide 21 by 0.677 to check that we got the right answer.

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