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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.

* $41$ have blue ribbons, $23$ have green ribbons, and $16$ have white ribbons.
* $80$ have a blue ribbon and a green ribbon; $44$ have a blue ribbon and a white ribbon; $51$ have a green ribbon and a white ribbon.
* $36$ have all three ribbons.

 

Fill in the Venn diagram.

 Dec 13, 2023

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