four people in abes family are traveling to Canada for their vacation.They have four seats in the center section of the plane.Ab e 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???
1 answer:
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.
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