document.write( "Question 333044: five horses compete in a race how many selection are there of the first two horses to pass the finishing \n" ); document.write( "
Algebra.Com's Answer #238646 by jrfrunner(365)![]() ![]() You can put this solution on YOUR website! five horses compete in a race how many selection are there of the first two horses to pass the finishing \n" ); document.write( "-- \n" ); document.write( "not exactly know what you mean by \"...first two horses to pass the finishing\", \n" ); document.write( "but I'll assume you mean the first two horses end up 1st or 2nd place. \n" ); document.write( "-- \n" ); document.write( "Think of this as two group of horses, the first two horses and the remainig 3. \n" ); document.write( "--\r \n" ); document.write( "\n" ); document.write( "there are 2! ways to order the first two horses, and 3! ways to order remaining 3 \n" ); document.write( "--- \n" ); document.write( "there are 2!*3!=2*3*2=12 ways to have the first two horses to end up 1st and 2nd. \n" ); document.write( " |