document.write( "Question 955819: The perimeter of a tennis table is 28 feet. the difference between 4 times the length and 3 times the width is 14 feet. find the dimensions.
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Algebra.Com's Answer #583899 by macston(5194)![]() ![]() You can put this solution on YOUR website! W=width; L=length; P=perimeter=28 feet \n" ); document.write( "P=2(L+W) \n" ); document.write( "28ft=2(L+W) \n" ); document.write( "28 feet=2L+2W Multiply each side by 2. \n" ); document.write( "56 feet=4L+4W Swap sides for clarity. \n" ); document.write( "4L+4W=56 feet \n" ); document.write( "4L-3W=14 feet Subtract equations. \n" ); document.write( "7W=42 feet Divide each side by 7. \n" ); document.write( "W=6 feet ANSWER 1: The width is 6 feet. \n" ); document.write( "P=2(L+W) \n" ); document.write( "28ft=2(L+6ft) \n" ); document.write( "28ft=2L+12 ft \n" ); document.write( "16ft=2L \n" ); document.write( "8ft=L ANSWER 2: The length is 8 feet. \n" ); document.write( "CHECK: \n" ); document.write( "4L-3W=14 ft \n" ); document.write( "4(8ft)-3(6ft)=14ft \n" ); document.write( "32ft-18ft=14ft \n" ); document.write( "14ft=14ft \n" ); document.write( " |