21 divided by what equals 27?

21 divided by what equals 27? In other words, you have 21 and you divide it by something and then you get 27. What is that something?

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

		21
		X

= 27

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

		21(X)
		X

= 27(X)

21 = 27X

Then, divide both sides by 27 to get X by itself as follows:

		21
		27

		27X
		27

0.778 = X

Thus, the answer to "21 divided by what equals 27?" is 0.778.

Note that our answers are rounded to the nearest thousandth if necessary. You can divide 21 by 0.778 to check that we got the right answer.

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