Ononot — Let A and B be subsets of U such that n(U) = 50, n(A) = 30,

Guest Session: 1 Question Remaining. Create Account to save progress.

Set Theoryhard

0:00.0

Let $A$ and $B$ be subsets of $U$ such that $n(U) = 50$ , $n(A) = 30$ , $n(B) = 25$ , and $n(A \cap B) = 10$ . What is $n((A \cup B)')$ ?