document.write( "Question 1164624: Raymond is 12 years younger than Susan. Four years ago, she was 4 times as old as he was. Find their present ages. \r
\n" ); document.write( "\n" ); document.write( "I know that right now, Susan is x and Raymond is x-12. 4 years ago, Susan is 4(x-12). I'm not sure how to set the problem up after this. Please help. TY! \n" ); document.write( "
Algebra.Com's Answer #789055 by ikleyn(52867)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "            I will start as you do,  and then will continue as it  SHOULD  BE.\r
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document.write( "Let x be the Susan age.\r\n" );
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document.write( "Then the Raymond's age is (x-12), according to the condition.\r\n" );
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document.write( "Four years ago, Susan was (x-4) years old.\r\n" );
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document.write( "Four years ago, Raymond was ((x-12)-4) = x - 16 years old.\r\n" );
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document.write( "    |   \"Four years ago, she was 4 times as old as he was.\"    |\r\n" );
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document.write( "It means that\r\n" );
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document.write( "    x - 4 = 4*(x-16).    <<<---===  it is your setup equation.\r\n" );
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document.write( "                                    You take it from the condition, using the introduced variables.\r\n" );
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document.write( "Now you have this single equation and simplify it step by step\r\n" );
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document.write( "    x - 4  = 4x - 64\r\n" );
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document.write( "    64 - 4 = 4x - x\r\n" );
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document.write( "    60     = 3x\r\n" );
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document.write( "     x = 20.\r\n" );
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document.write( "ANSWER.  Susan is 20 years old now.  Raymond is 12 years younger, i.e. 20=12 = 8 years old.\r\n" );
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\n" ); document.write( "\n" ); document.write( "There is a bunch of lessons on age word problems \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 problems\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
\n" ); document.write( "\n" ); document.write( "    - Miscellaneous age problems \r
\n" ); document.write( "\n" ); document.write( "in this site.\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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