document.write( "Question 1158262: The area A, in square meters, of a crectangle with a perimeter of 160 meters is given by the equation A = 80w - w squared, where w is the width of the rectangle in meters. What is the width of a rectangle if its area is 700 m squared? \n" ); document.write( "

Algebra.Com's Answer #781165 by ikleyn(52873) $\"\"$ $\"About$

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\n" ); document.write( "The area A, in square meters, of a $\"highlight%28cross%28crectangle%29%29\"$ rectangle with a perimeter of 160 meters
\n" ); document.write( "is given by the equation A = 80w - w squared, where w is the width of the rectangle in meters.
\n" ); document.write( "What is the width of a rectangle if its area is 700 m squared?
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document.write( "Solve this quadratic equation\r\n" );
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document.write( "    80w - w^2 = 700,\r\n" );
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document.write( "Solve it by factoring\r\n" );
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document.write( "    w^2 - 80w + 700 = 0\r\n" );
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document.write( "    (w-10)*(w-70) = 0.\r\n" );
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document.write( "ANSWER.  The dimensions of the rectangle are 10 meters by 70 meters,\r\n" );
document.write( "         giving the width, as a smaller dimension, 10 meters.    \r\n" );
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