Math Problem Statement
In a street of 150 houses, three different newspapers are delivered: the Tribune, the Herald, and the Chronicle, as follows:
• 40 receive the Tribune • 35 receive the Herald • 60 receive the Chronicle • 7 receive the Tribune and the Herald • 10 receive the Herald and the Chronicle • 4 receive the Tribune and the Chronicle • 34 receive no newspaper at all.
How many receive all three newspapers?
Note: If 7 receive the Tribune and the Herald’, this information does not mean that 7 people receive the Tribune and the Herald only.
Communicate all the working. in this question the sum of all the value sums up to 190 whereas the value is supposed to be 150
Solution
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Math Problem Analysis
Mathematical Concepts
Set Theory
Inclusion-Exclusion Principle
Formulas
Inclusion-Exclusion Formula: |T ∪ H ∪ C| = |T| + |H| + |C| - |T ∩ H| - |H ∩ C| - |T ∩ C| + |T ∩ H ∩ C|
Theorems
Inclusion-Exclusion Principle
Suitable Grade Level
Grades 9-12
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