document.write( "Question 955956: The fence around a rectangular yard requires 260 feet of fencing. The length is 20 less than twice the width. What are the dimensions of the yard?
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Algebra.Com's Answer #583998 by macston(5194)![]() ![]() You can put this solution on YOUR website! P=perimeter=260ft; W=width; L=length=2W-20 \n" ); document.write( "P=2(L+W) Substitute for L \n" ); document.write( "260ft=2(2W-20+W) \n" ); document.write( "260 ft=2(3W-20ft) \n" ); document.write( "260ft=6W-40ft Add 40ft to each side. \n" ); document.write( "300ft=6W Divide each side by 6. \n" ); document.write( "50ft=W ANSWER 1: The width is 50 feet. \n" ); document.write( "L=2W-20ft=2(50ft)-20ft=100ft-20ft=80ft ANSWER 2: The length is 80 feet. \n" ); document.write( "CHECK \n" ); document.write( "P=2(L+W) \n" ); document.write( "260ft=2(80ft+50ft) \n" ); document.write( "260ft=2(130ft) \n" ); document.write( "260ft=260ft \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |