document.write( "Question 1065641: a rectangular piece of wood is 12cm longer than it is wide. a strip of 1cm wide is cut off all around. this decreases the area by 120 square centimetres. What were the original dimensions? \n" ); document.write( "

Algebra.Com's Answer #680862 by Fombitz(32388) $\"\"$ $\"About$

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$\"L=W%2B12\"$
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\n" ); document.write( " $\"%28L-2%29%28W-2%29=LW-120\"$
\n" ); document.write( " $\"LW-2L-2W%2B4=LW-120\"$
\n" ); document.write( " $\"2L%2B2W=124\"$
\n" ); document.write( " $\"L%2BW=62\"$
\n" ); document.write( "Substituting,
\n" ); document.write( " $\"W%2B12%2BW=62\"$
\n" ); document.write( " $\"2W=50\"$
\n" ); document.write( " $\"W=25\"$
\n" ); document.write( "So then,
\n" ); document.write( " $\"L=25%2B12\"$
\n" ); document.write( " $\"L=37\"$
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