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If you take 40 percent of a number and get 800, then what is that number? In other words, you know that 40 percent of a number is 800 and you want to know what that initial number is.

To solve this problem you multiply 800 by 100 and then divide the total by 40 as follows: (800 x 100) / 40

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

2000


Therefore, the answer to "800 is 40 percent of what number?" is 2000, and you can also derive that 40 percent of 2000 equals 800.

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