21 times what equals 89?

21 times what equals 89? In other words, what do you multiply by 21 to get 89? If "x" is "what" in the sentence, "21 times what equals 89?", then the equation to solve the problem is as follows:

21 • x = 89

Which can be written as:

21x = 89

To solve the equation above, we need to remove the 21 on the left side to make the x alone. To do that, we divide both sides by 21.

21x/21 = 89/21

21x/21 is x and 89/21 is 4.2381 which means our equation will look like this:

x = 4.2381

Thus, the answer to "21 times what equals 89?" is 4.2381.

To double-check our work, multiply 4.2381 by 21 to see that it equals 89. (Note that our answer on this page is rounded to 4 digits if necessary.)

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21 times what equals 90?
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