document.write( "Question 889464: How many 6-person line ups can be formed from 20-player volleyball roster, assuming every player can be assigned to any position?
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document.write( "Please help me find the right formula.
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document.write( "I have tried two different way but I think I,m thinking it to simple: like 20*6=120 and 120*6=720
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document.write( "Thank you for your help.
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Algebra.Com's Answer #538171 by rothauserc(4718)![]() ![]() You can put this solution on YOUR website! This is a combination problem of 20 things taken 6 at a time \n" ); document.write( "combination of 20 things taken 6 at a time = 20! / (6! * (20-6)!) \n" ); document.write( "combination of 20 things taken 6 at a time = 20*19*18*17*16*15 / 6*5*4*3*2*1 \n" ); document.write( "combination of 20 things taken 6 at a time = 38760 \n" ); document.write( " \n" ); document.write( " |