What is 103 is 20 of what number?

To find a number that is 20% of 103, you can use the formula:

20% of a number = (20/100) * X

where X is the number we are trying to find.

So, for this problem:

20% of 103 = (20/100) * X 20.6 = 0.2 * X 103 = X

Therefore, 103 is 20% of 515.