document.write( "Question 864727: The area of a rectangle is 55m^2, and the length of the rectangle is 4 m less than three times the width. Find the dimensions of the rectangle.
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Algebra.Com's Answer #521235 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "A = Lw = (3w-4)w = 55m^2
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document.write( "          3w^2 - 4w -55 = 0
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document.write( "         (3x + 11)(x-5) = 0   (Tossing out the negative solution for unit measure)
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document.write( "                   x = 5m  and L = 11m   
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document.write( "and..checking
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document.write( " (5m)(11m) = 55m^2 \n" );
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