Math Problem Statement
D. An advertising agency finds that, of its 170 clients, 115 use Television, 110 use Radio and 130 use Magazines. Also 85 use Television and Magazines, 75 use Television and Radio, 95 use Radio and Magazines, 70 use all the three. Draw Venn diagram to represent these data. Find, a. how many uses only Radio? b. how many uses only Television? c. how many use radio and television but not magazine? d. how many use Television and Magazine but not radio?
Solution
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Math Problem Analysis
Mathematical Concepts
Set Theory
Venn Diagrams
Inclusion-Exclusion Principle
Formulas
T ∩ R ∩ M = 70
Clients using only Television: T - (T ∩ R ∪ T ∩ M)
Clients using only Radio: R - (T ∩ R ∪ R ∩ M)
Clients using only Magazines: M - (T ∩ M ∪ R ∩ M)
Theorems
Inclusion-Exclusion Principle
Suitable Grade Level
Grades 9-11
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