document.write( "Question 1163312: Sarah is currently four times as old as her daughter Linda.
\n" ); document.write( "in 6 years Sarah will be three time as old as Linda.
\n" ); document.write( "calculate Linda's current age. \n" ); document.write( "

Algebra.Com's Answer #787378 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "Let x be the Linda's current age (the unknown value under the question).\r\n" );
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document.write( "Then Sarah's age is 4x, according to the condition.\r\n" );
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document.write( "In 6 years, Linda's age will be  (x+6) years; Sarah's age will be 4x+6 years.\r\n" );
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document.write( "From the condition,\r\n" );
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document.write( "    3*(x+6) = 4x + 6\r\n" );
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document.write( "Simplify and find x\r\n" );
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document.write( "    3x + 18 = 4x + 6\r\n" );
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document.write( "    18 - 6 = 4x - 3x\r\n" );
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document.write( "    12     = x\r\n" );
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document.write( "ANSWER.  Linda is 12 years old now.\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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