document.write( "Question 1048588: how many different committees of five from a group of fourteen students can be selected if Qistina and Fahmi insist on serving together or not at all? \n" ); document.write( "
Algebra.Com's Answer #664184 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! Group of 14 \n" ); document.write( "Qistina and Fahmi insist on serving together or not at all \n" ); document.write( "Then 14-2 = 12 \n" ); document.write( "How many groups of 3 can Qistina and Fahmi serve with? \n" ); document.write( "12C3 \n" ); document.write( "| \n" ); document.write( "Because a team that contains both Qistina and Fahmi contains exactly 3 other people from the remaining 12 in the group, \n" ); document.write( "there are as many such teams as there are subsets of 3 people that can be chosen from the remaining 12. \n" ); document.write( " |