Asked by jardell

S, have 176 elements. A and B are subsets of S. Set A contains 71 elements and Set B contains 80 elements. If Sets A and B have 11 elements in common, how many elements are in neither A nor B?
Answered by oobleck
You have a total of 71+80-11 = 140 in A and B
So, 36 are in neither.
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