document.write( "Question 675775: n(A) = 102, n(A u B) = 140, and n(A ∩ B) = 41, find n(B).
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Algebra.Com's Answer #420076 by MathLover1(20849)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "n(A) = 102, n(A u B) = 140, and n(A ∩ B) = 41, find n(B).\r
\n" ); document.write( "\n" ); document.write( "n\"B\"=n(A u B)-(n(A)-n(A ∩ B))\r
\n" ); document.write( "\n" ); document.write( "n\"B=140-%28102-41%29\"\r
\n" ); document.write( "\n" ); document.write( "n\"B=140-61\"\r
\n" ); document.write( "\n" ); document.write( "n\"B=79\"\r
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