document.write( "Question 1028221: The length of a rectangle is 8 feet longer than its wide. If each side is increased 8 feet, then the area is multiplied by 3. What was the size of the original rectangle? \r
\n" ); document.write( "\n" ); document.write( "The width or short side is
\n" ); document.write( "The Length or the long side is
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Algebra.Com's Answer #649196 by jorel555(1290)\"\" \"About 
You can put this solution on YOUR website!
Let w=width of first rectangle, and a=area. Original length, l, is w+8;
\n" ); document.write( "w(w+8)=a
\n" ); document.write( "w^2+8w=a
\n" ); document.write( "3w^2+24w=3a
\n" ); document.write( "The second rectangle is;
\n" ); document.write( "(w+8)(w+16)=3a
\n" ); document.write( "w^2+24w+128=3w^2+24w
\n" ); document.write( "2w^2=128
\n" ); document.write( "w^2=64
\n" ); document.write( "w=8
\n" ); document.write( "The original rectangle was 8 ft in width; 16 feet length!!!!!!!!!!
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