document.write( "Question 1072972: A girl is 21 years old and her brother is a third of her age. When the girl is 36, what will be the age of her brother? \n" ); document.write( "
Algebra.Com's Answer #687824 by ikleyn(52814)\"\" \"About 
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document.write( "The girl (the young women ?) is 21 years old and the brother is 7 years old, according to the condition.\r\n" );
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document.write( "Hence, the girl is 14 years older than her brother, and this difference remains unchangeable forever while they are alive \r\n" );
document.write( "(at least, in the age word problems it is so). \r\n" );
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document.write( "Therefore, when the women will be 36 years old, her brother will be 36 - 14 = 22 years old.\r\n" );
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