document.write( "Question 1187674: the sum of the ages of carlos and rosa in 14 years will be equal to 2 times their present age. if at present age carlos is 8 years elder to rosa then what is Carlo's present age?
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Algebra.Com's Answer #818692 by ikleyn(52788) $\"\"$ $\"About$

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\n" ); document.write( "the sum of the ages of Carlos and Rosa in 14 years will be equal to 2 times their present age.
\n" ); document.write( "if at present age Carlos is 8 years elder to Rosa then what is Carlo's present age?
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document.write( "One equation is\r\n" );
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document.write( "    (C+14) + (R+14) = 2*(C+R),\r\n" );
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document.write( "or, equivalently,\r\n" );
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document.write( "    C + R = 28.    (1)\r\n" );
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document.write( "Another equation is \r\n" );
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document.write( "    C - R =  8     (2)\r\n" );
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document.write( "Add equations (1) and (2) and get\r\n" );
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document.write( "    2C = 28 + 8 = 36;  C = 36/2 = 18.\r\n" );
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document.write( "So, Carl is 18 years old.    ANSWER\r\n" );
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