Please help me solve this please

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asked Feb 23, 2019 120k views

1 Answer

War Gravy · Answer 1 · 2019-02-28T05:55:48+0000

If the number of elements in A ∪ B is 49, the number of elements in set A is 22 and the number of elements in set B is 34
therefore the number of elements in A ∩ B is 22 + 34 - 49 = 56 - 49 = 7

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