Math Problem Statement
At a community college, a survey was taken to determine where students study on campus. Of the 240 students surveyed, it was determined that 166 studied in the library. 132 studied in the cafeteria. 79 studied in both the library and the cafeteria. Complete parts a) through c). Question content area bottom Part 1 a) Of those students surveyed, how many studied only in the library? enter your response here (Type a whole number.) Part 2 b) Of those students surveyed, how many studied only in the cafeteria? enter your response here (Type a whole number.) Part 3 c) Of those students surveyed, how many did not study in either of these places? enter your response here (Type a whole number.)
Solution
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Math Problem Analysis
Mathematical Concepts
Set Theory
Venn Diagrams
Subtraction
Union of Sets
Formulas
Students who only studied in the library: L - (L ∩ C) = 166 - 79 = 87
Students who only studied in the cafeteria: C - (L ∩ C) = 132 - 79 = 53
Students who did not study in either place: Total - (L ∪ C) = 240 - 219 = 21
Theorems
Union of Two Sets Formula: |L ∪ C| = L + C - (L ∩ C)
Suitable Grade Level
Grades 10-12
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