21 divided by what equals 36?

21 divided by what equals 36? In other words, you have 21 and you divide it by something and then you get 36. What is that something?

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

		21
		X

= 36

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

		21(X)
		X

= 36(X)

21 = 36X

Then, divide both sides by 36 to get X by itself as follows:

		21
		36

		36X
		36

0.583 = X

Thus, the answer to "21 divided by what equals 36?" is 0.583.

Note that our answers are rounded to the nearest thousandth if necessary. You can divide 21 by 0.583 to check that we got the right answer.

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