60% of the students learn German and 50% of the students learn French. If student in the class learns at least one subject out of the given two, then what percent of the students do not learn both the subjects?

60% of the students learn German and 50% of the students learn French.

1.	60% of the students learn German and 50% of the students learn French. If student in the class learns at least one subject out of the given two, then what percent of the students do not learn both the subjects?
A.	10
B.	12
C.	80
D.	90
Answer» E.