SOLUTION: In how many ways can 6 people be seated on a sofa if there are 3 seats available ?

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Question 859714: In how many ways can 6 people be seated on a sofa if there are 3 seats available ?
Answer by solver91311(24713) About Me  (Show Source):
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For each of the 6 ways to choose the first person, there are 5 ways to choose the 2nd person for a total of 30 ways to seat the first two people. For each of those ways to seat the first two people, there are 4 ways to seat the third person.

John

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