SOLUTION: A teacher is to be assigned to teach 5 different courses in 5 different class periods on Mondays. If exactly one course meets each period, how many different assignments of courses

Question 337091: A teacher is to be assigned to teach 5 different courses in 5 different class periods on Mondays. If exactly one course meets each period, how many different assignments of courses to these class periods are possible for Mondays?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A teacher is to be assigned to teach 5 different courses in 5 different class periods on Mondays. If exactly one course meets each period, how many different assignments of courses to these class periods are possible for Mondays?
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1st period; 2nd period; 3rd period;....;5th period
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5 course choice for 1st
4 course choice for 2nd
3 course choice for 3rd
...
1 course choice for 5th
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Total number of choices: 5P5 = 5! = 120
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Cheers,
Stan H.
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