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If you take 20 percent of a number and get 511, then what is that number? In other words, you know that 20 percent of a number is 511 and you want to know what that initial number is.

To solve this problem you multiply 511 by 100 and then divide the total by 20 as follows: (511 x 100) / 20

When we put that into our calculator, we get the following answer:

2555


Therefore, the answer to "511 is 20 percent of what number?" is 2555, and you can also derive that 20 percent of 2555 equals 511.

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