document.write( "Question 1083168: A factory measuring 80 m by 60 m is surrounded by a lawn of uniform width. if the area of the lawn is 57 m2. less than the factory find the width of the lawn \n" ); document.write( "

Algebra.Com's Answer #697197 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "Let x be the uniform width, now unknown.\r\n" );
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document.write( "Then from the condition, you have this quadratic equation\r\n" );
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document.write( "(80+2x)*(60+2x) - 80*60 = 80*60 - 57.\r\n" );
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document.write( "It is the literal translation of the condition to Math.\r\n" );
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document.write( "Simplify and solve this quadratic equation.\r\n" );
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document.write( "Remember that your solution must be positive !\r\n" );
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\n" ); document.write( "\n" ); document.write( "To see more solved samples to this kind of problems, look into the lesson\r
\n" ); document.write( "\n" ); document.write( " - Problems on the area and the dimensions of a rectangle surrounded by a strip\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 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
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