document.write( "Question 635064: a. How many ways can 6 passengers be lined up to get on a train?\r
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Algebra.Com's Answer #400093 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "a. How many ways can 6 passengers be lined up to get on a train?  ways
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document.write( "b. If  certain persons insist on following each other, how many ways are possible?
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document.write( "1) think of the  persons as one unit (they themselves can be arranged a! ways)
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document.write( "2) then the units to arrange typically would be (6-a)
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document.write( "  ways this can be done \n" );
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