document.write( "Question 1186295: Sarah needs to make a garden plot which has an area less than 18ft².the length should be 3ft longer than the width.What are the possible dimensions of the garden plot? \n" ); document.write( "

Algebra.Com's Answer #817189 by ikleyn(52943) $\"\"$ $\"About$

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document.write( "w = the width, in feet.\r\n" );
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document.write( "(w+3) ft,  the length.\r\n" );
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document.write( "The area INEQUALITY\r\n" );
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document.write( "    w*(w+3) <= 18 ft^2\r\n" );
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document.write( "Transform to the standard quadratic inequality form\r\n" );
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document.write( "    w^2 + 3w - 18 <= 0\r\n" );
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document.write( "Factor left side\r\n" );
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document.write( "    (w+6)*(w-3) <= 18    \r\n" );
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document.write( "The solution is  -6 <= w <= 3.\r\n" );
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document.write( "Due to obvious physical reason, the possible values of the width w must satisfy\r\n" );
document.write( "this inequality\r\n" );
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document.write( "    0 <= w <= 3.\r\n" );
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document.write( "ANSWER.  The width of the garden must satisfy this inequality  0 <= w <= 3  ft.   The length should be (w+3) ft.\r\n" );
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