Dogs in the GoodDog Obedience School win a blue ribbon for learning how to sit, a green ribbon for learning how to roll over, and a white ribbon for learning how to stay. There are 100 dogs in the school. 73 have blue ribbons, 39 have green ribbons, and 62 have white ribbons. 21 have a blue ribbon and a green ribbon; 28 have a green ribbon and a white ribbon; 41 have a blue ribbon and a white ribbon. 14 have all three ribbons. How many dogs have not learned any tricks?

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Panda

8 January, 06:06

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Danika Farmer · Answer 1

There are 17 dogs who have not learned any tricks.