document.write( "Question 117616:
\n" ); document.write( "the length of a rectangular playing field is 5ft less than twice its width. if the perimeter of the playing field is 230ft. find the lenght and width of the field.
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Algebra.Com's Answer #85608 by checkley71(8403)\"\" \"About 
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L=2W-5
\n" ); document.write( "P=2L+2W
\n" ); document.write( "230=2(2W-5)+2W
\n" ); document.write( "230=4W-10+2W
\n" ); document.write( "230=6W-10
\n" ); document.write( "6W=230=10
\n" ); document.write( "6W=240
\n" ); document.write( "W=240/6
\n" ); document.write( "W=40 ANSWER FOR THE WIDTH.
\n" ); document.write( "L=2*40-5
\n" ); document.write( "L=80-5
\n" ); document.write( "L=75 ANSWER FOR THE LENGTH.
\n" ); document.write( "PROOF
\n" ); document.write( "230=2*75+2*40
\n" ); document.write( "230=150+80
\n" ); document.write( "230=230
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