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The number of registrations by breed in the Clover City Kennel Club is summarized in the graph below. the graph is OTHER-19% LABRADOR RETRIEVER-39% PUG-14% GERMAN SHEPHERD-17% GOLDEN RETRIEVER-11% A-What is the probability that a registered dog is a pug or a golden retriever ? B- If there are 550 dogs in the club, how many dogs are a pug or golden retrievers ?

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AL2006
14% of the registered dogs are pugs, and 11% of the registered dogs are golden retrievers. So (14+11)=25% of the registered dogs are either one or the other.

There are 550 dogs in the club all together, and 25% of them are either pugs or golden retrievers. 25% of 550 is (0.25 • 550) = 137.5 . You can't register half of a dog, so the real number is 137 or 138.

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