Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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A survey was given asking whether people like dogs and/or cats. 123 said they like dogs 185 said they like cats 62 said they liked both cats and dogs 50 said they don't like cats or dogs. How many people like dogs but not cats? people like dogs but not cats.
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