document.write( "Question 453700: find n(a u b), given that n(A)=14, n(b)=11, and n(A ∩ B)=7 \n" ); document.write( "
Algebra.Com's Answer #311703 by robertb(5830)![]() ![]() You can put this solution on YOUR website! n(A U B) = n(A) + n(B) - n(A ∩ B) = 14 + 11 - 7 = 18 \n" ); document.write( " |