document.write( "Question 1174605: a man is 6 times old as his son. twenty years later he will be twice as old as his son find the man age when his son was born?\r
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Algebra.Com's Answer #800045 by MathTherapy(10557) $\"\"$ $\"About$

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\n" ); document.write( "a man is 6 times old as his son. twenty years later he will be twice as old as his son find the man age when his son was born?
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Let son's age be S\r\n" );
document.write( "Then father's is: 6S\r\n" );
document.write( "We then get: 6S + 20 = 2(S + 20)\r\n" );
document.write( "6S + 20 = 2S + 40\r\n" );
document.write( "6S - 2S = 40 - 20\r\n" );
document.write( "4S = 20\r\n" );
document.write( "Son, or \r\n" );
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document.write( "That makes the father, 30. \r\n" );
document.write( "Difference in ages/Age of father when son was born:

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