document.write( "Question 253686: in how many different ways the first 3 places can be filled in a race in which there are 11 horses \n" ); document.write( "
Algebra.Com's Answer #186024 by vleith(2983)![]() ![]() ![]() You can put this solution on YOUR website! think of it this way. How many horse could finish first? \n" ); document.write( "11\r \n" ); document.write( "\n" ); document.write( "How many could be second once the horse given one horse was already first? \n" ); document.write( "11-1 = 10\r \n" ); document.write( "\n" ); document.write( "How may could be third given that two horses finished ahead of them \n" ); document.write( "11-2 = 9\r \n" ); document.write( "\n" ); document.write( "So how many different can the first three places be filled? \n" ); document.write( "11*10*9 \n" ); document.write( " |