20 divided by what equals 90?

20 divided by what equals 90? In other words, you have 20 and you divide it by something and then you get 90. What is that something?

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

		20
		X

= 90

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

		20(X)
		X

= 90(X)

20 = 90X

Then, divide both sides by 90 to get X by itself as follows:

		20
		90

		90X
		90

0.222 = X

Thus, the answer to "20 divided by what equals 90?" is 0.222.

Note that our answers are rounded to the nearest thousandth if necessary. You can divide 20 by 0.222 to check that we got the right answer.

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