document.write( "Question 1113644: Tanya is 12 years older than Leah. Three years ago, Tanya was five times as old as Leah. How old is Leah? \n" ); document.write( "

Algebra.Com's Answer #728732 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "T = L + 12        (1)\r\n" );
document.write( "T-3 = 5*(L-3)     (2)\r\n" );
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document.write( "Substitute (1) into eq(2). You will get\r\n" );
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document.write( "(L + 12) - 3 = 5*(L-3)\r\n" );
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document.write( "L + 9 = 5L - 15\r\n" );
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document.write( "9 + 15 = 5L - L\r\n" );
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document.write( "24 = 4L.\r\n" );
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document.write( "L = 24/4 = 6.\r\n" );
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document.write( "Answer.  Leah is 6 years old.\r\n" );
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\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 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
\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( "\n" ); document.write( "Save the link to this online textbook together with its description\r
\n" ); document.write( "
\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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