there were 100 students inthe library where responded to how they completed their assignment. 18 students only used exercise books. 29 students used reference books and text book. 15 students used text book,reference books and exercise books. 40 students used text books and exercise books. 20 students used text books and exercise books .60 students used text books. 7 students did not use reference books,nor textbooks, nor exercise books. A. represent this information with veen diagram. B. how many students used reference books. C. how many students used text books or exercise books?
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Step-by-step explanation:
The students who used the refrence book is =
the number of students used them.
means
29+15=44
there for ,
they said 7 student didn't use reference books.
means
44-7=37
(This is the answer for the B.question)
the student used text book or excersice book .
15+40+20+60=135
135-7=128.
(this is the answer forC.guestion)
For A question I need to draw I am sorry
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