SOLUTION: Decide whether you would use a permutation, a combination, or neither. Next, write the solution using permutation notation or combination notation, if possible, and, finally, answe

Algebra ->  Permutations -> SOLUTION: Decide whether you would use a permutation, a combination, or neither. Next, write the solution using permutation notation or combination notation, if possible, and, finally, answe      Log On


   



Question 867304: Decide whether you would use a permutation, a combination, or neither. Next, write the solution using permutation notation or combination notation, if possible, and, finally, answer the question.
Tom is leading a workshop for 16 people. He wants each person to meet every other person (shake hands once). How many handshakes occur?

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!

16C2
15*16/2=15*8=120