Solve the problem.Mrs. Bollo's second grade class of thirty students conducted a pet ownership survey. Results of the survey indicate that 8 students own a cat, 15 students own a dog, and 5 students own both a cat and a dog. How many of the students surveyed own a cat or a dog?
A. 15
B. 18
C. 5
D. 13
Answer: B
Mathematics
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A. 7 B. 12 C. 8 D. 6
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A. 3 B. 12 C. 13 D. 7
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