This number represents the equal number of parts that equal a whole in a fraction. a. numerator b. denominator c. variations d. expression

If you are referring to the equation below

part/whole = percent/100

then the "whole" portion of the fraction equation above is in the denominator.

For example,

2/4 = 50/100

indicates that we have 2 parts out of 4 total (or 4 overall) equating to 50%. The 4 is the whole.

25% is the answer