document.write( "Question 1147165: what is the age of each of these;if son's age is half his mother's age and mother's age is 5 years less than that of the father whereas son plus mother plus father is 100 \n" ); document.write( "

Algebra.Com's Answer #768466 by ikleyn(52786) $\"\"$ $\"About$

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document.write( "son + mother + father = 100.    (1)\r\n" );
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document.write( "son = x;  mother = 2x;   father = 2x+5.\r\n" );
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document.write( "Substitute it into equation (1).\r\n" );
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document.write( "x + 2x + (2x+5) = 100.\r\n" );
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document.write( "Simplify and solve for x.\r\n" );
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