What percentage of families own both a dog and a cat

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In a certain community 36% of the families own a dog, and 22 percent of the families that own a dog also own a cat. In addition 30 percent of the families own a cat. a.) what percentage of families own both a dog and a cat? b.) out of the families who doesn't own a cat, what percentage owns also a dog?

Reference no: EM13304636

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