document.write( "Question 1059824: After winning the championship, all Dallas Maverick teammates hugs. Altogether there were 66 hugs. How many players were there? \n" ); document.write( "
Algebra.Com's Answer #674906 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Let x = number of players\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "A player cannot hug themself, so there are x-1 choices for any one player to hug.
\n" ); document.write( "There are x*(x-1) ways to have players hug assuming order mattered (eg: AB is different from BA)\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "However, player A hugging player B is the same as B hugging A. Order does not matter. This means we must correct for the double count by dividing by 2\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "The expression for the number of hugs is x*(x-1)/2\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Set this equal to 66 and solve for x\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "x*(x-1)/2 = 66\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "2*x*(x-1)/2 = 66*2\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "x*(x-1) = 132\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "x^2 - x = 132\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "x^2 - x - 132 = 0\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "(x - 12)(x + 11) = 0\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "x - 12 = 0 or x + 11 = 0\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "x = 12 or x = -11\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Toss out the negative number. Only x = 12 makes sense\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "So there are 12 players on the team.
\n" ); document.write( "
\n" );