document.write( "Question 711621: A walkway 2 m wide surrounds a rectangular plot of grass. The plot is 20 m long and 12 m wide. What is the area of the walkway?
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Algebra.Com's Answer #437483 by god2012(113)\"\" \"About 
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length of the walkway = 2m.
\n" ); document.write( "length of the plot = 20m
\n" ); document.write( "width of the plot = 12m\r
\n" ); document.write( "\n" ); document.write( "Solution : Total width with walkway = 12 + 2 + 2 = 16m
\n" ); document.write( " Total length with walkway = 20 + 2 + 2 = 24m\r
\n" ); document.write( "\n" ); document.write( "Total area of plot and walkway = 16 * 24 sq.m ------eq.1
\n" ); document.write( "Total area of plot = 12 * 20 sq.m ------eq.2\r
\n" ); document.write( "\n" ); document.write( "Total area covered by walkway = eq.1 - eq.2 = 16*24 - 12*20 = 144 sq.m
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