SOLUTION: How many ways can 5 supranos and 4 altos be selected from 7 sopranos and 9 altos

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Question 428947: How many ways can 5 supranos and 4 altos be selected from 7 sopranos and 9 altos
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
C(7,5)*C(9,4) = 21*126 = 2,646 ways.