document.write( "Question 684149: find the area of a door with a of 12dm and a length that is 9dm more than its width \n" ); document.write( "
Algebra.Com's Answer #423933 by ReadingBoosters(3246)\"\" \"About 
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w = 12
\n" ); document.write( "l = w + 9
\n" ); document.write( "...
\n" ); document.write( "l = 12 + 9 = 21
\n" ); document.write( "...
\n" ); document.write( "a = l*w
\n" ); document.write( "a = 12 * 21 = 372 dm^2
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