document.write( "Question 758236: A rectangle field is 40 feet wide and is enclosed by 220 feet of fencing. What is the area of the field in square feet? \n" ); document.write( "
Algebra.Com's Answer #461337 by nerdybill(7384)\"\" \"About 
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A rectangle field is 40 feet wide and is enclosed by 220 feet of fencing. What is the area of the field in square feet?
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\n" ); document.write( "Let x = length of field
\n" ); document.write( "then
\n" ); document.write( "2(x+40) = 220
\n" ); document.write( "x+40 = 110
\n" ); document.write( "x = 70 feet length
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\n" ); document.write( "area:
\n" ); document.write( "width*length
\n" ); document.write( "40*70 = 2800 square feet
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