D. 51
D. 17
A 3
D. 7
6. How many students owned a dog only?
A 5
B. 6
c. 9
7. How many students owned only a cat?
B. 6
C. 9
8. How many students owned only a bird?
A 3
B. 5
C. 6
9. How many students owned a dog but not a cat?
A. 12
B. 20
C. 51
10. How many students owned a cat?
A 18
B. 26
C. 35
D. 56
D. 40
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Answer:
d
d
d
c
d
d
d
I hope it helps, I just know the answer