A class adviser surveys 35 of his students on the kind of pets they have at home. he found that 15 have dogs, 12 have cats, and 8 have birds. 5 have dogs and cats, 4 have dogs and birds, and 2 have cats and birds. if no one has all three kinds of pets, how many students have none of these pets



None,because all of them have some pets
Thanks but can you help me with the solution so i can learn it since I'm new to venn diagram
35 because out of 35 students that she survey no one has three kinds of pet at home... am i right? :)
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