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In a class of 40 students, a teacher surveyed everyone to see how many had a pet dog (D), a pet cat (C), or a pet bird (B). 28 students have a cat. Of those 28, 10 of them also have a bird. 19 students have a dog. Of those 19, 6 of them also have a cat and 2 of them also have a bird. Out of the 40 students, 2 of them have all three pets.



​Draw a Venn Diagram to help you answer the questions.



​Find P(B). Write your answer as a percent to the nearest tenth. Do NOT include the percent sign!

User Merril
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Answer:

This cant be an accurate question, i drew the diagram and before i got to the people who only have birds i already had over 40 people total

Explanation:

User Dario Petrillo
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