SOLUTION: In how many ways can people select their two favorite jokes from a list of six jokes? thank you so much!

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Question 227846: In how many ways can people select their two favorite jokes from a list of six jokes?
thank you so much!
Answer by kasie(3) About Me  (Show Source):
You can put this solution on YOUR website!
since order doesnt matter you wuld do
6C2= 15
however if you were to rank your jokes #1 and #1
it would be
6P2=30