document.write( "Question 311208: What is the maximum perimeter of a rectangle with an area of 84 square inches? \n" ); document.write( "
Algebra.Com's Answer #222559 by nyc_function(2741)\"\" \"About 
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A = L*W\r
\n" ); document.write( "\n" ); document.write( "84 = LW\r
\n" ); document.write( "\n" ); document.write( "At this point, you can solve for either L or W. \r
\n" ); document.write( "\n" ); document.write( "I will solve for W.\r
\n" ); document.write( "\n" ); document.write( "84 - L = W\r
\n" ); document.write( "\n" ); document.write( "The perimeter of a rectangle is found using P = 2L + 2W.\r
\n" ); document.write( "\n" ); document.write( "P = 2L + 2(84 - L)\r
\n" ); document.write( "\n" ); document.write( "P = 2L + 168 - 2L\r
\n" ); document.write( "\n" ); document.write( "P = 168 inches
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