document.write( "Question 1167885: A man is thrice as old as his son, if the sum of their ages is 40 years find their ages
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Algebra.Com's Answer #792498 by ikleyn(52798) $\"\"$ $\"About$

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document.write( "    x + 3x = 40\r\n" );
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document.write( "    4x     = 40\r\n" );
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document.write( "     x     = 10,  3x = 30.\r\n" );
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document.write( "ANSWER.  The son is 10 years old.  The man is 3*10 = 40 years old.\r\n" );
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