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Three couples go to the movies and sit in six consecutive seats. if the couples must sit together, in how many ways can they be seated

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Since each couple must sit together, let's think of each couple as a single unit. That gives us three ways to arrange three units. It helps to draw a diagram. We can see that each coupe can sit in three distinct ways.
(3)(3)=9.

9
Three couples go to the movies and sit in six consecutive seats. if the couples must-example-1
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