February 21, 2017

Homework Help: venn diagrams

Posted by katie on Thursday, September 27, 2007 at 12:12am.

200 students
80 in science
70 in geography
60 in art
35 in geography and science 33 have geography and art 31 have science and art 15 have geo. sci and art How many of the 200 students have none of these courses

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