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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?

 Dec 25, 2020

Best Answer 

 #1
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There is six ways to arrange the three

a b c

c a b

b c a

a c b

c b a

b a c               

      then there are 6 ways to seat them next to each other in the row of 8 chairs

 

6 x 6                

   and there are 5 remaining people to arrange in the remaining 5 seats

                                5!

 

5! x 6 x 6 = ...............

 Dec 25, 2020
 #1
avatar
+1
Best Answer

There is six ways to arrange the three

a b c

c a b

b c a

a c b

c b a

b a c               

      then there are 6 ways to seat them next to each other in the row of 8 chairs

 

6 x 6                

   and there are 5 remaining people to arrange in the remaining 5 seats

                                5!

 

5! x 6 x 6 = ...............

Guest Dec 25, 2020

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