SOLUTION: In how many ways could the 8 sopranos in the school choir be selected to sing the 5 roles in an upcoming production?

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Question 670711: In how many ways could the 8 sopranos in the school choir be selected to sing the 5 roles in an upcoming production?
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
nCr=n!/((n-r)!r!)
=8!/(3!*5!)
=8*7*6*5!/5!*3*2
=4*7*2
=56 ways
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Ed