document.write( "Question 927117: How many different committees of 4 members can be formed from a group with 7 seniors and 6 juniors if they are 3 seniors and 1 junior? \n" ); document.write( "
Algebra.Com's Answer #562687 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "7 seniors choose 3.  That's C(7,3), or 7C3, which is 35 ways to choose the 3 seniors.\r\n" );
document.write( "\r\n" );
document.write( "For each of those 35 ways to choose the 3 seniors, there are 6 ways, 6C1, to choose the 1 junior.\r\n" );
document.write( "\r\n" );
document.write( "Answer = C(7,3)×C(6,1) = 35×6 = 210 ways.\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );