document.write( "Question 428947: How many ways can 5 supranos and 4 altos be selected from 7 sopranos and 9 altos \n" ); document.write( "
Algebra.Com's Answer #298019 by robertb(5830)\"\" \"About 
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C(7,5)*C(9,4) = 21*126 = 2,646 ways. \n" ); document.write( "
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