Question

In a class of 78 students 41 are taking French, 22 are taking GermanOf the students taking French or German, 9 are taking both coursesHow many students are not enrolled in either course?

A6
B15
C24
D33
E54

Answer 1

C24

Explanation:

You start by taking 41 and 22.

Take 9 from both numbers to represent the students taking both courses.

41-9=32

22-9=13

Then 78-32(French Students)-13(German Students)-9(Two Course Students)

78-32-13-9=

78-54=

24