SOLUTION: If a school offers 9 different subjects, how many different schedules of 6 classes are possible?

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Question 426475: If a school offers 9 different subjects, how many different schedules of 6 classes are possible?
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
Permutation=arrangement of n things taken r at a time=n!/(n-r)!
9!/(9-6)!
=9*8*7*6*5*4*3!/3!
=60,480 schedules
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Ed