document.write( "Question 1188670: Mar is 4 years older than Ron. Chan is twice as old as Mar. The sum of
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Algebra.Com's Answer #819858 by ikleyn(52793) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "Mar is 4 years older than Ron. Chan is twice as old as Mar. The sum of
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\n" ); document.write( "\n" ); document.write( " The setup in the post by @josgarithmetic is INCORRECT.\r
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document.write( "Let x be the Ron's age.\r\n" );
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document.write( "then the Mar's age is (x+4) years;  Chan's age is 2(x+4).\r\n" );
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document.write( "An equation for the total age is\r\n" );
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document.write( "    x + (x+4) + 2(x+4) = 8x.\r\n" );
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document.write( "Simplify and find x\r\n" );
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document.write( "    x + x + 4 + 2x + 8 = 8x\r\n" );
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document.write( "          4 + 8        = 8x - x - x - 2x\r\n" );
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document.write( "            12         = 4x\r\n" );
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document.write( "             x         = 12/4 = 3.\r\n" );
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document.write( "ANSWER.  Ron is 3 years old.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved (correctly).\r
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