SOLUTION: In how many ways can Joe select 1 or more of 6 friends to a dinner party?

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Question 321834: In how many ways can Joe select 1 or more of 6 friends to a dinner party?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


is the number of combinations of things taken at a time and is calculated by

You need:



You have a lot of arithmetic to do.


John