If & are Subsets of the universal set X & (X) = 50, () = 35,() = 20, (` ∩ `) = 5 ℎ
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Answer:
20
Step-by-step explanation:
X and X = 50 = 70
30 = 20 = 70 - 30 - 70 = 40
= 40 - 20 =
= 20
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