In how many ways can Ann, Bob, Chuck, Don, and Ed be seated in a row such that Ann and Bob are not seated next to each

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A

B

C

D

E

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In how many ways can Ann, Bob, Chuck, Don, and Ed be seated in a row such that Ann and Bob are not seated next to each other?

A. 24
B. 48
C. 56
D. 72
E. 96

[spoiler]OA=D[/spoiler]

Source: Magoosh
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