document.write( "Question 307169: what is the perimeter of a rectangle that has an area of 12,150 square feet? the ratio of length to width is 3:2. \n" ); document.write( "
Algebra.Com's Answer #219786 by dabanfield(803)\"\" \"About 
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what is the perimeter of a rectangle that has an area of 12,150 square feet? the ratio of length to width is 3:2.\r
\n" ); document.write( "\n" ); document.write( "Let the two sides of the rectangle be 3x and 2x respectively. Then we have:\r
\n" ); document.write( "\n" ); document.write( "3x*2x = 12150
\n" ); document.write( "6x^2 = 12150
\n" ); document.write( "x^2 = 2025
\n" ); document.write( "x = 45\r
\n" ); document.write( "\n" ); document.write( "The two sides then are 2*45 = 90 and 3*45 = 135
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