In a class, 22 students have been on a plane, 28 on a train, 23 on a boat, 15 on a plane and train, 20 on a train and boat, 14 on a plane and boat, 12 on all three, and 1 on none of them. How many students are in the class?
a.

37

c.

26
b.

38

d.

40

Question

In a class, 22 students have been on a plane, 28 on a train, 23 on a boat, 15 on a plane and train, 20 on a train and boat, 14 on a plane and boat, 12 on all three, and 1 on none of them. How many students are in the class?
a.
	
37
	
c.
	
26
b.
	
38
	
d.
	
40

dumbcow · Answer

use Ven Diagram
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