SOLUTION: 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 midd
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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? Answer by alicealc(293) (Show Source):
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:
4 * 3 * 1 * 2 * 1 = 24 ways
(1 in the middle is Martha's seat)