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8 people are boarding a plane 2 have tickets for first class and board before everyone. In how many ways can these people board the aircraft?
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8 people are boarding a plane 2 have tickets for first class and board before everyone. In how many ways can these people board the aircraft?

User Anaa
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1 Answer

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2!6!=2*1*6*5*4*3*2*1=1440
User Erazihel
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