155 is 31 percent of what number?
If you take 31 percent of a number and get 155, then what is that number? In other words, you know that 31 percent of a number is 155 and you want to know what that initial number is.
To solve this problem you multiply 155 by 100 and then divide the total by 31 as follows: (155 x 100) / 31
When we put that into our calculator, we get the following answer:
500
Therefore, the answer to "155 is 31 percent of what number?" is 500, and you can also derive that 31 percent of 500 equals 155.
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