Out of 39 students, a survey was taken regarding which pet they own. The results are: 22 have dogs, 17 have cats, 13 have fish,

Question

Out of 39 students, a survey was taken regarding which pet they own. The results are: 22 have dogs, 17 have cats, 13 have fish, 7 have dogs and fish but not cats, 4 have dogs and cats but not fish, 8 have only dogs, and 5 don't have any of these. How many students have exactly 1 pet?

Kunduz · Accepted Answer

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