document.write( "Question 1151139: Dyke is 27 years old than his daughter. In 10 years he will be twice as old as his daughter. How old they are now?\r
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Algebra.Com's Answer #772772 by ikleyn(52803) $\"\"$ $\"About$

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\n" ); document.write( "Dyke is 27 years $\"highlight%28cross%28old%29%29\"$ older than his daughter.
\n" ); document.write( "In 10 years he will be twice as old as his daughter. How old they are now?
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document.write( "Let x be the daughter's age.\r\n" );
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document.write( "Then his father's age is (x+27) years.\r\n" );
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document.write( "In 10 years,\r\n" );
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document.write( "    the daughter's age will be (x+10) years, while\r\n" );
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document.write( "    the father's age will be (x+27+10) = (x+37) years.\r\n" );
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document.write( "You are given\r\n" );
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document.write( "    x+37 = 2*(x+10).\r\n" );
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document.write( "It is your basic equation.\r\n" );
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document.write( "As soon as you got it, you just solved the problem in half.\r\n" );
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document.write( "To solve it COMPLETELY, simplify your equation step by step\r\n" );
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document.write( "    x + 37 = 2x + 20\r\n" );
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document.write( "    37 - 20 = 2x - x\r\n" );
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document.write( "    17      = x.\r\n" );
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document.write( "ANSWER.  The daughter is 17 years old.  The father is 27 years older, i.e. 17+27 = 44 years old.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Now YOU check it ON YOUR OWN that all conditions of the problem are satisfied.\r
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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( "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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