n(A) = 25, n(B) = 18, n(A cap B) = 7. How many elements are in A only?

  1. 18
  2. 11
  3. 36
  4. 25
Answer

A) 18

A only = n(A) - n(A cap B) = 25 - 7 = 18. SLO M-09-A-12 · Understanding

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