Math Problem Statement
Let the Universal Set, S, have 143 elements. A and B are subsets of S. Set A contains 96 elements and Set B contains 20 elements. If Sets A and B have 3 elements in common, how many elements are in B but not in A?
Solution
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Math Problem Analysis
Mathematical Concepts
Set Theory
Subsets
Set Difference
Formulas
|B - A| = |B| - |A ∩ B|
Theorems
Set Subtraction Theorem
Suitable Grade Level
Grades 8-10
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