25 IS a whole number: you need do nothing.
No, not all whole numbers are 25, but 25 is a whole number.
25 is already a whole number.
Due to the property of uniqueness, the only whole number that equals 25 is 25 itself!
Nothing you can do to 25% can ever make it a whole number. In order to be a whole number, it has to be '1' or more, but 25% is only one quarter.
To turn a whole number into a percentage: Simply multiply it by 100%.
710 is a whole number.
To the nearest whole number, it is 25.
As a whole number, you can write 25 percent as 25%. As a part of a whole number, you'd write 25% of it as .25% or one quarter -- 1/4, of the whole number.
0.535 is a fractional number in decimal form and there is no sensible way to turn it into a whole number.
25
25.31 rounded to the nearest whole number is 25.
You do nothing. A negative number is a whole number.