A cup is \[\frac{1}{4}\] full of milk. What part of the cup is still to be filled by milk to make it full?

A cup is \[\frac{1}{4}\] full of milk. What part of the cup is still t

1.	A cup is \[\frac{1}{4}\] full of milk. What part of the cup is still to be filled by milk to make it full?
A.	\[\frac{1}{2}\]
B.	\[\frac{3}{4}\]
C.	\[\frac{1}{4}\]
D.	\[\frac{1}{8}\]
E.	None of these
Answer» C. \[\frac{1}{4}\]