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

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

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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) (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
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