SOLUTION: How many ways can 4 people be lined up?

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Question 968165: How many ways can 4 people be lined up?
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
How many ways can 4 people be lined up?
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In theory,
The 1st is 1 of 4, then 1 of 3, 2, 1
= 4*3*2*1 = 24 ways.
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Some people can't be lined up at all, tho.

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