document.write( "Question 967986: In how many ways can 4 people be lined up?
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Algebra.Com's Answer #591807 by Edwin McCravy(20056)\"\" \"About 
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document.write( "Pick the first guy 4 ways.\r\n" );
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document.write( "For each of those 4 ways, there are 3 ways left to pick the 2nd guy.\r\n" );
document.write( "Thats 4*3=12 ways to pick the first 2 guys.\r\n" );
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document.write( "For each of those 12 ways, there 2 ways left to pick the 3rd guy.\r\n" );
document.write( "Thats 4*3*2=24 ways to pick the first 3 guys.\r\n" );
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document.write( "Then there is just 1 way to pick the 4th.\r\n" );
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document.write( "Answer 4*3*2*1 = 4! = 24\r\n" );
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document.write( "Edwin
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