Which of the following is not a whole number?
(there might be more than one! )
select one or more:
a. 12/4
b. 25
c. 3 1/4
d. -21

Hello there.

Which of the following is not a whole number? 

Select one or more:
a. 12/4
b. 25
c. 3 1/4
d. -21

12/4 = 3 Wholes.
As you can see 25 is definitely a whole number.
3 1/4 is not a whole number.
-21 is a whole number too.

In short, Your answer is C. 3 1/4.

Hope This Helps You!
Good Luck Studying ^-^