TyaraMinnis TyaraMinnis
  • 18-02-2021
  • Mathematics
contestada

7) Suppose that n
n(A)=15, n(An B)=5,
and n(AUB) = 30.
Find n(B).

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jennifer29168 jennifer29168
  • 18-02-2021
ughh,i’m stuck on this 2.
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