document.write( "Question 478749: A rectangular flower garden with dimensions 3m by 7m is surrounded by
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document.write( "the walk of uniform width. If the area of the walk is 11 sq. m, what is the
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document.write( "width in meters? \n" );
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Algebra.Com's Answer #328011 by cleomenius(959)![]() ![]() You can put this solution on YOUR website! We have the area of the garden is 3 * 7 = 21 sq m., if the area of the walk is 11 the total area is 32 sq. m\r \n" ); document.write( "\n" ); document.write( "(7 + x)(3 + x) = 32 sq. meters.\r \n" ); document.write( "\n" ); document.write( "x^2 + 10x + 21 = 32\r \n" ); document.write( "\n" ); document.write( "x*2 + 10x -11 = 0\r \n" ); document.write( "\n" ); document.write( "(x + 11)(x - 1) = 0\r \n" ); document.write( "\n" ); document.write( "x = 1\r \n" ); document.write( "\n" ); document.write( "To check, 4 * 8 = 32 sq m. \n" ); document.write( " We can see this does check. \n" ); document.write( "Cleomenius.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |