Math Problem Statement
When the members of a family discussed where their annual reunion should take place, they found that out of all the family members, 10 would not go to a park, 8 would not go to a beach, 12 would not go to the family cottage, 6 would go to neither a park nor a beach, 6 would go to neither a beach nor the family cottage, 8 would go to neither a park nor the family cottage, 5 would not go to a park or a beach or to the family cottage, and 2 would go to all three places. What is the total number of family members?
Solution
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Math Problem Analysis
Mathematical Concepts
Set Theory
Principle of Inclusion and Exclusion
Formulas
N = |P^c| + |B^c| + |C^c| - |P^c ∩ B^c| - |B^c ∩ C^c| - |P^c ∩ C^c| + |P^c ∩ B^c ∩ C^c|
Theorems
Principle of Inclusion and Exclusion
Suitable Grade Level
Grades 9-12
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