document.write( "Question 1175511: a square garden has a walkway 3 feet wide around its corner edge. If the area of the entire garden, including walkway is 18,000 square feet, then what are the dimensions of the planted area? \n" ); document.write( "

Algebra.Com's Answer #801151 by ikleyn(52799) $\"\"$ $\"About$

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document.write( "Let x be the dimension of the planted area (the square), in feet.\r\n" );
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document.write( "Then the garden, surrounded by the walkway of the uniform constant width is the square with the side length  (x + 2*3) = (x+6) feet.\r\n" );
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document.write( "Its area is 18000 square feet, which gives this equation\r\n" );
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document.write( "    (x+6)^2 = 18000.\r\n" );
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document.write( "Hence,   x+6 =  = 134 feet (approximately),  and  x = 134 - 6 = 128 feet.     ANSWER\r\n" );
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