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OpenStudy (anonymous):
In how many ways can five couples be seated in a row of 10 chairs if no couple is separated? Explain how you arrived at your answer.
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OpenStudy (anonymous):
thank you it matches mine so far but I donn't know how to finish it either
OpenStudy (amorfide):
http://www.s-cool.co.uk/a-level/maths/probability/revise-it/permutations-and-combinations this may help you understand permutations/combinations
OpenStudy (amorfide):
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