SOLUTION: there are five students they will sit down on the bench. 2 students between that five students are A and B. how many ways A and B can sit down if A and B must be sit contiguous

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Question 161543: there are five students they will sit down on the bench. 2 students between that five students are A and B. how many ways A and B can sit down if A and B must be sit contiguous
Answer by oscargut(2103) About Me  (Show Source):