document.write( "Question 1147127: A six-team hockey league has a schedule requiring each team to play each of the other teams 9 times. How many games will be played in total? \n" ); document.write( "
Algebra.Com's Answer #768425 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "(1) Count the total number of games that each team plays; then, since that counts each game twice, divide by 2: \n" ); document.write( "(number of teams) times (number of opposing teams) times (number of times per season) \n" ); document.write( "6*5*9 = 270 \n" ); document.write( "then divide by 2 \n" ); document.write( "270/2 = 135 \n" ); document.write( "OR, to be a bit more sophisticated mathematically.... \n" ); document.write( "(2) Determine the number of pairings and multiply by the number of times per season that each pairing occurs: \n" ); document.write( "(6 choose 2) times (number of times per season) \n" ); document.write( "6C2 * 9 = 15*9 = 135 \n" ); document.write( " |