Students are in clubs as follows: Science-20, Drama-30, and Band-12. No student is in all three clubs, but 8 are in both Science and Drama, 6 are in both Science and Band, and 4 are in Drama and Band.
How many different students are in at least one of the three clubs?
Pick:
A) 36 B) 38 C) 42 D) 44 E) 48
Total students = S + 44 + B - (sum of 2-group overlaps) + (all three)   Total students = 20 + 30 + 12 - (6 + 8 + 4) + 0= 
<gadget id="calculator">20 + 30 + 12 - (6 + 8 + 4) + 0</gadget>
<output>44</output>
44 students.answer is 44
<result>D</result>
Students are in clubs as follows: Science-20, Drama-30, and Band-12. No student is in all three clubs, but 8 are in both Science and Drama, 6 are in both Science and Band, and 4 are in Drama and Band.
How many different students are in at least one of the three clubs?