Question

The results of a survey of 40 incoming students show the following results:

16 students found a roommate through the school housing department.
12 students selected a roommate from a message board.
22 students knew their roommate personally.
7 students have both roommates from the housing department and message boards.
9 students have roommates from message boards and know personally.
11 students have roommates from the housing department and know personally.
5 students have roommates from all 3 sources
How many students did not report having roommates?

Answer 1

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Answer 2

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Answer 3

Oh wow ok thank you found it!