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, 11 would not go to a park, 8 would not go to a beach, 13 would not go to the family cottage, 5would go to neither a park nor a beach, 5 would go to neither a beach nor the family cottage, 7 would go to neither a park nor the family cottage, 3 would not go to a park or a beach or to the family cottage, and 11 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
Inclusion-Exclusion Principle
Complementary Sets
Formulas
Inclusion-Exclusion Principle: |P ∪ B ∪ C| = |P| + |B| + |C| - |P ∩ B| - |B ∩ C| - |P ∩ C| + |P ∩ B ∩ C|
Complementary Sets: |P^c| = N - |P|
Theorems
Inclusion-Exclusion Principle
Suitable Grade Level
Grades 10-12
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