document.write( "Question 623349: The area of a rectangular wall in a classroom is 216 sq ft. Its length is 3 ft shorter than three times its width. Find the length and width of the wall of the classroom. \n" ); document.write( "

Algebra.Com's Answer #392054 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,  
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document.write( "The area of a rectangular wall in a classroom is 216 sq ft. 
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document.write( "Its length is 3 ft shorter than three times its width.
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document.write( "Question states***
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document.write( "  x(3x-3) = 216    |Solve for the width x, and list both width and length(3x-3)
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document.write( "   x^2 - x - 72 = 0
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document.write( "        x = 9', throwing out negative solution for unit measure \n" );
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