document.write( "Question 1204835: The sum of age's of a man and his daughter is 120years.six years ago,the man's age was thrice that of his daughter.find their present age.
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Algebra.Com's Answer #841343 by ikleyn(52786) $\"\"$ $\"About$

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document.write( "Let x be the daughter's age, in years.\r\n" );
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document.write( "Then the the father's age is (120-x) years.\r\n" );
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document.write( "Six years ago\r\n" );
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document.write( "    ((120-x)-6) = 3*(x-6).\r\n" );
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document.write( "Simplify and find x\r\n" );
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document.write( "    114-x = 3x - 18\r\n" );
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document.write( "    114 + 18 = 3x + x\r\n" );
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document.write( "    132 = 4x\r\n" );
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document.write( "    132/4 = x\r\n" );
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document.write( "    x = 33.\r\n" );
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document.write( "The daughter's current age is 33 years.\r\n" );
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document.write( "The father's current age is 120-33 = 87 years.\r\n" );
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