document.write( "Question 164171: Martha invited 4 friends to go with her to the movies. There are 120 different ways to which they can sit together in a row. In how many of those ways is Martha sitting in the middle? \n" ); document.write( "
Algebra.Com's Answer #120954 by alicealc(293)![]() ![]() ![]() You can put this solution on YOUR website! because Martha is sitting in the middle, we only have to arrange the seats for 4 Martha's friends:\r \n" ); document.write( "\n" ); document.write( "4 * 3 * 1 * 2 * 1 = 24 ways\r \n" ); document.write( "\n" ); document.write( "(1 in the middle is Martha's seat)\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |