document.write( "Question 163939: 30 kids, gold silver and bronze medals, how many different winning arrangements can there be if each team consists of 5 students? \n" ); document.write( "
Algebra.Com's Answer #120804 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! I'll take a stab at it \n" ); document.write( "Here's 6 teams, 5 students each: \n" ); document.write( "team 1: a b c d e \n" ); document.write( "team 2: a b c d e \n" ); document.write( "team 3: a b c d e \n" ); document.write( "team 4: a b c d e \n" ); document.write( "team 5: a b c d e \n" ); document.write( "team 6: a b c d e \n" ); document.write( "Assume 1a gets the gold. How many ways can the other teams \n" ); document.write( "get the Silver? \n" ); document.write( "There are 25 students in the remaining 5 teams, so there are \n" ); document.write( "25 ways the Silver can be given \n" ); document.write( "If 1b gets the Gold, also 25 ways to give Silver, etc \n" ); document.write( "So, if someone from team 1 gets Gold, there are \n" ); document.write( " \n" ); document.write( "If someone from team 2 gets Gold, also \n" ); document.write( "So, for all 6 teams: \n" ); document.write( " \n" ); document.write( "Now 1 team has Gold and 1 team has Silver \n" ); document.write( "There are 20 students in the remaining 4 teams \n" ); document.write( "For each of the \n" ); document.write( "there are 20 ways to give Bronze. \n" ); document.write( " \n" ); document.write( "There are 15000 different winning arrangements \n" ); document.write( "This seems pretty large. Check my reasoning-maybe it's off\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |