SOLUTION: I own 7 suits and 9 ties. I want to take 4 suits and 3 ties on a trip.
how many different ways can I choose 4 suits to pack?
is this a permutation question (permutation of 4 ou
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Question 789220: I own 7 suits and 9 ties. I want to take 4 suits and 3 ties on a trip.
how many different ways can I choose 4 suits to pack?
is this a permutation question (permutation of 4 out of 7) or a combination question?
thanks so much!!!
Answer by xinxin(76) (Show Source): You can put this solution on YOUR website!
It is a combination question because choosing suits 1,2,3,4 is the same as choosing suits 2,1,3,4.
Use combination formula.
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