document.write( "Question 1178984: Mrs. De Guzman is 28 years old when her daughter was born. In how many years will Mrs. De Guzman be thrice as old as her daughter. \n" ); document.write( "

Algebra.Com's Answer #808477 by ikleyn(52803) $\"\"$ $\"About$

You can put this solution on YOUR website!
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document.write( "Let x be \"in how many years . . . \".\r\n" );
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document.write( "Then you have this equation\r\n" );
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document.write( "    x + 28 = 3x.\r\n" );
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document.write( "The left side is the mother's age in 28 years; the right side is her age then, expressed via the daughter's age.\r\n" );
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document.write( "From the equation\r\n" );
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document.write( "    28 = 3x - x\r\n" );
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document.write( "    28 = 2x\r\n" );
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document.write( "    x  = 28/2 = 14.\r\n" );
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document.write( "ANSWER.  In 14 years.\r\n" );
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document.write( "CHECK.  In 14 years, the mother will be 28 + 14 = 42 years old;\r\n" );
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document.write( "                     the daughter will be         14 years old.   ! Ok, good, i.e. CORRECT !\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( "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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