document.write( "Question 1186058: John is 12, Peter is 3. How many years will it take for John to be 3 times as old as
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Algebra.Com's Answer #816930 by ikleyn(52786) $\"\"$ $\"About$

You can put this solution on YOUR website!
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document.write( "In x years.\r\n" );
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document.write( "In x years, John will be 12+x years old;  Peter will be 3+x years old.\r\n" );
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document.write( "John will be 3 times as old as Peter:\r\n" );
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document.write( "    12 + x = 3*(3 + x).\r\n" );
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document.write( "Simplify and find x\r\n" );
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document.write( "    12 + x = 9 + 3x\r\n" );
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document.write( "    12 - 9 = 3x - x\r\n" );
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document.write( "       3   = 2x\r\n" );
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document.write( "       x    = 3/2 years.\r\n" );
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document.write( "When the age problem has no solution in integer numbers, it is TRADITIONALLY considered as DEFECTIVE.\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( "    - HOW TO algebreze and to solve age problems? \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( "    - Age problem for three participants \r
\n" ); document.write( "\n" ); document.write( "    - Miscellaneous age problems \r
\n" ); document.write( "\n" ); document.write( "    - Entertainment age problems
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\n" ); document.write( "\n" ); document.write( "Read them, have fun 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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