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four people in abes family are traveling to Canada for their vacation.They have four seats in the center section of the plane.Abe wants to sit beside his brother Ben in how many ways can the 4 people be
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four people in abes family are traveling to Canada for their vacation.They have four seats in the center section of the plane.Abe wants to sit beside his brother Ben in how many ways can the 4 people be seated so that Ben Abe can sit next to each other???

User Gvegayon
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1 Answer

6 votes
I think 12. I'm not sure though. The way I came up with that answer is the tree diagram. I used the numbers 1, 2, 3, 4, . Then I did the tree diagram method.
User Andrew Flynn
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