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2017 AMC 10A Problems/Problem 19

Revision as of 14:20, 8 February 2017 by Blackhawk (talk | contribs) (Created page with "19. Alice refuses to sit next to either Bob or Carla. Derek refuses to sit next to Eric. How many ways are there for the five of them to sit in a row of 5 chairs under these c...")
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19. Alice refuses to sit next to either Bob or Carla. Derek refuses to sit next to Eric. How many ways are there for the five of them to sit in a row of 5 chairs under these conditions?

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