20 divided by what equals 81?

20 divided by what equals 81? In other words, you have 20 and you divide it by something and then you get 81. What is that something?

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

		20
		X

= 81

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

		20(X)
		X

= 81(X)

20 = 81X

Then, divide both sides by 81 to get X by itself as follows:

		20
		81

		81X
		81

0.247 = X

Thus, the answer to "20 divided by what equals 81?" is 0.247.

Note that our answers are rounded to the nearest thousandth if necessary. You can divide 20 by 0.247 to check that we got the right answer.

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