document.write( "Question 1116684: Dan is 20 years old and his father is 44. How old was dan when his father was three times his age. \n" ); document.write( "
Algebra.Com's Answer #731587 by ikleyn(52797)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "            The solution by @josgarithmetic is   W R O N G.\r
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\n" ); document.write( "\n" ); document.write( "            Below please find the correct solution.\r
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document.write( "Let x = \"how long years ago . . . \"\r\n" );
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document.write( "44-x = 3*(20-x)\r\n" );
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document.write( "44-x = 60-3x\r\n" );
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document.write( "-x+3x = 60-44\r\n" );
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document.write( "2x = 16\r\n" );
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document.write( "x = 8  -------8 years ago\r\n" );
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document.write( "8 years ago Dan was  20-8 = 12 years old.\r\n" );
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document.write( "Answer.  Dan was 12 years old when his father was three times his age.\r\n" );
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document.write( "Check.   Check it on your own.\r\n" );
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\n" ); document.write( "On age problems,  see the lessons \r
\n" ); document.write( "\n" ); document.write( "    - Age problems and their solutions\r
\n" ); document.write( "\n" ); document.write( "    - A fresh formulation of a traditional age problem\r
\n" ); document.write( "\n" ); document.write( "    - Really intricate age word problem\r
\n" ); document.write( "\n" ); document.write( "    - Selected age word problems from the archive\r
\n" ); document.write( "\n" ); document.write( "    - Age problems for mental solution \r
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\n" ); document.write( "\n" ); document.write( "Read them and become an expert in solving age problems.\r
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\n" ); document.write( "\n" ); document.write( "Also, you have this free of charge online textbook in ALGEBRA-I in this site\r
\n" ); document.write( "\n" ); document.write( "    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.\r
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\n" ); document.write( "\n" ); document.write( "The referred lessons are the part of this online textbook under the topic \"Age word problems\".\r
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\n" ); document.write( "\n" ); document.write( "Save the link to this online textbook together with its description\r
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\n" ); document.write( "\n" ); document.write( "Free of charge online textbook in ALGEBRA-I
\n" ); document.write( "https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson\r
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\n" ); document.write( "\n" ); document.write( "to your archive and use it when it is needed.\r
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