document.write( "Question 965248: The length of a rectangular playground is 7 ft more than five times the width. The perimeter is 254 ft. What are the dimensions of rectangle
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Algebra.Com's Answer #590058 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! L=5W+7 \n" ); document.write( "P=2L+2W \n" ); document.write( "254=2(5W+7)+2W \n" ); document.write( "254=10W+14+2W \n" ); document.write( "254=12W+14 \n" ); document.write( "12W=254-14 \n" ); document.write( "12W=240 \n" ); document.write( "W=240/12 \n" ); document.write( "W=20 FT. \n" ); document.write( "L=5*20+7 \n" ); document.write( "L=100+7=107 ANS FOR THE LENCTH. \n" ); document.write( "PROOF: \n" ); document.write( "254=2*107+2*20 \n" ); document.write( "254=214+40 \n" ); document.write( "254=254 \n" ); document.write( " |