document.write( "Question 1147568: I have two more sisters than brothers. Each of my sisters has two more sisters than brothers. How many more sisters than brothers does my oldest brother have? \n" ); document.write( "

Algebra.Com's Answer #768911 by ikleyn(52787) $\"\"$ $\"About$

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document.write( "From the first two sentences, it is clear that \"I\", the person who tells the story, is one of sisters.\r\n" );
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document.write( "Let x be the number of boys in the family and y be the number of girls.\r\n" );
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document.write( "Them you have this equation\r\n" );
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document.write( "    y-1 = x + 2       (left side y-1 is the number of sisters to \"I\")\r\n" );
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document.write( "From this equation,\r\n" );
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document.write( "    y = x + 3.\r\n" );
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document.write( "It says that the number of girls in the family is 3 more than the number of boys.\r\n" );
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document.write( "Hence, the oldest brother (the oldest boy) has 4 more sisters than brothers.    ANSWER\r\n" );
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document.write( "For example the possible numbers of boys and girls can be\r\n" );
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document.write( "    boys      girls\r\n" );
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document.write( "     2         5\r\n" );
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document.write( "     3         6\r\n" );
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document.write( "Having this small table, you can check and confirm my final answer.\r\n" );
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