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In how many ways can 8 people be seated in a row of chairs if three of the people, John, Wilma and Paul, want to sit in three consecutive seats, with Wilma in the middle?

 Apr 23, 2022
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The three people can occupy  6 different  positions in the  row

 

There are  2 ways to arrange them    J  W  M     or    M  W  J

 

And for each of these the other five people can  be arranged in  5!  =120  ways

 

So

 

6 * 2 * 120  =     1440  ways

 

 

cool cool cool

 Apr 23, 2022

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