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Mathematics 8 Online
OpenStudy (anonymous):

In how many different ways can 5 students of different heights be arranged in a line if the tallest student cannot be on either end?

OpenStudy (barrycarter):

Hint: how many ways total with no restrictions at all?

OpenStudy (anonymous):

What do you mean?

OpenStudy (anonymous):

@barrycarter

OpenStudy (barrycarter):

Oh, how many ways can you line up 5 students if you don't care if the tall student is at either end?

OpenStudy (anonymous):

I'm not sure../:

OpenStudy (anonymous):

@barrycarter

OpenStudy (barrycarter):

Hint: there are 5 places for the first person, 4 for the second, ...

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