SOLUTION: How many different ways can five students sit in five chairs in a row if Mark and Ophelia refuse to sit next to each other?
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Question 544748: How many different ways can five students sit in five chairs in a row if Mark and Ophelia refuse to sit next to each other? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! How many different ways can five students sit in five chairs in a row if Mark and Ophelia refuse to sit next to each other?
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# of possible arrangements: 5! = 120
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# of ways M and O could sit next to one another: 2*4 = 8
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# of ways to satisfy the conditions: 120-8 = 112
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P(satisfy conditions: 112/120
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Cheers,
Stan H.
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