document.write( "Question 1181262: A mural is to be painted on the wall that is 15m long and 12m high. A border of uniform width is to surround the mural. If the mural is to have an area of 135m^2, how wide must the border be to completely cover the wall?\r
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Algebra.Com's Answer #811123 by ikleyn(52797)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "\r\n" ); document.write( "Let w be the uniform width of the border.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Then you have this area equation to find \"w\"\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( " (15-2w)*(12-2w) = 135 square meters.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Simplify; reduce to the standard quadratic equation and solve using the quadratic formula.\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "---------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Closely related lessons 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 \n" ); document.write( " \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 \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The referred lesson is the part of this online textbook under the topic \n" ); document.write( "\"Dimensions and the area of rectangles and circles and their elements\".\r \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 \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "to your archive and use it when it is needed.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |