SOLUTION: I just can not figure these out. HELP! Set K contains 50 elements, set J contains 66 elements, and 14 elements are common to both sets. Find n(K U J). We are asked to show the st

Algebra ->  sets and operations -> SOLUTION: I just can not figure these out. HELP! Set K contains 50 elements, set J contains 66 elements, and 14 elements are common to both sets. Find n(K U J). We are asked to show the st      Log On


   

Question 191857This question is from textbook Survey in Mathematics
: I just can not figure these out. HELP! Set K contains 50 elements, set J contains 66 elements, and 14 elements are common to both sets. Find n(K U J). We are asked to show the steps. This question is from textbook Survey in Mathematics

Answer by user_dude2008(1862) About Me  (Show Source):
You can put this solution on YOUR website!
n(K U J) = n(K) + n(J) - n(K intersect J)


n(K U J) = 50 + 66 - 14


Ans: n(K U J) = 102