document.write( "Question 1189561: A rectangular swimming pool which measures 40m by 25m, is to be tripled in area, by extending each side by the same amount. Determine the amount extend each side by \n" ); document.write( "
Algebra.Com's Answer #820947 by ikleyn(52855)\"\" \"About 
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document.write( "New dimensions are 40+x meters and 25+x meters.\r\n" );
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document.write( "New area is  (40+x)*(25+x)  square mwters.\r\n" );
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document.write( "It must be equal to  3*40*25 square meters.\r\n" );
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document.write( "So, your equation to find x is\r\n" );
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document.write( "    (40+x)*(25+x) = 3*40*25.\r\n" );
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document.write( "Simplify it; reduce to the standard quadratic equation form and solve.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Closely related to it are the lessons\r
\n" ); document.write( "\n" ); document.write( "    - Problems on the area and the dimensions of a rectangle surrounded by a strip\r
\n" ); document.write( "\n" ); document.write( "    - Cynthia Besch wants to buy a rug for a room \r
\n" ); document.write( "\n" ); document.write( "    - Problems on a circular pool and a walkway around it\r
\n" ); document.write( "\n" ); document.write( "in this site.\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
\n" ); document.write( "\"Dimensions and the area of rectangles and circles and their elements\".\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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