document.write( "Question 291247: A rectangular garden is 14 ft. by 21 ft. and is bordered by a concrete walk 3 ft. wide as shown. How many square feet are in the surface area of just the concrete walk? \n" ); document.write( "
Algebra.Com's Answer #210663 by checkley77(12844)\"\" \"About 
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(14+2*3)(21+2*3)-14*21
\n" ); document.write( "(14+6)(21+6)-294
\n" ); document.write( "20*27-294
\n" ); document.write( "540-294=246 ft^2 is the area of the border.
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