109 is 20 percent of what number?
If you take 20 percent of a number and get 109, then what is that number? In other words, you know that 20 percent of a number is 109 and you want to know what that initial number is.
To solve this problem you multiply 109 by 100 and then divide the total by 20 as follows: (109 x 100) / 20
When we put that into our calculator, we get the following answer:
545
Therefore, the answer to "109 is 20 percent of what number?" is 545, and you can also derive that 20 percent of 545 equals 109.
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