The results of a survey of 100 incoming students show the following results: 50 students own a laptop. 46 students own a tablet. 48 students own a smartphone. 22 students own at least a laptop and a tablet. 16 students own, at least a tablet and a smartphone. 18 Students own at least a smartphone and a laptop. 10 own all three. How many students do not own any electronic devices?

Question

anonymous · Answer

I believe you have to use a venn diagram

anonymous · Answer

I am having trouble setting it up still

anonymous · Answer

100

anonymous · Answer

I would use a Venn Diagram, except with 3 circles. |dw:1384391716773:dw|

anonymous · Answer

The very middle is all three, and where the two circles intersect is where a student owns two of them, and yeah.

anonymous · Answer

Ok what next

anonymous · Answer

How would I get the final answer