document.write( "Question 1208743: If I have 2 more sisters then brothers and each of my sisters also has 2 more sisters then brothers, how many more sisters than brothers does my oldest brother have?
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Algebra.Com's Answer #847174 by Edwin McCravy(20054)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Since you're probably an algebra student, maybe you'd like to see a solution\r\n" );
document.write( "with an unknown or two, and not just basic arithmetic.\r\n" );
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document.write( "Suppose the siblings consist of b boys and g girls.\r\n" );
document.write( "Since nobody can be their own brother or sister,\r\n" );
document.write( "each boy has b-1 brothers and g sisters, and\r\n" );
document.write( "each girl has b brothers and g-1 sisters. \r\n" );
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document.write( "If I have 2 more sisters then brothers...\r\n" );
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document.write( "If \"I\" is a boy, then he has b-1 brothers and g sisters, and g=(b-1)+2, or g=b+1\r\n" );
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document.write( "...and each of my sisters also has 2 more sisters than brothers...\r\n" );
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document.write( "But then each of his sisters would have g-1 sisters and b brothers, and we would\r\n" );
document.write( "have g-1=b+2 or g=b+3, not g=b+1. So \"I\" is not a boy. So \"I\" is a girl.\r\n" );
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document.write( "Then she and each of her sisters have b brothers and g-1 sisters, and\r\n" );
document.write( "g-1=b+2 or g=b+3\r\n" );
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document.write( "how many more sisters than brothers does my oldest brother have? \r\n" );
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document.write( "Each of her brothers, including the oldest, has b-1 brothers and g=b+3 sisters.\r\n" );
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document.write( "So g-(b-1) = (b+3)-(b-1) = b+3-b+1 = 4\r\n" );
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document.write( "Answer: 4\r\n" );
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document.write( "Edwin
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