document.write( "Question 212299: give the dimensions of rectangles with a perimeter of 70 feet and length-to-width ratios of 3to4 4to5 and 1to1 \n" ); document.write( "
Algebra.Com's Answer #160333 by rfer(16322)\"\" \"About 
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P=2w+2l
\n" ); document.write( "p=2(3x)+2(4x)=70
\n" ); document.write( "6x+8x=70
\n" ); document.write( "14x=70
\n" ); document.write( "x=5
\n" ); document.write( "3x=15
\n" ); document.write( "4x=20
\n" ); document.write( "--------------
\n" ); document.write( "2(4x)+2(5x)=70
\n" ); document.write( "8x+10x+70
\n" ); document.write( "18x=70
\n" ); document.write( "x=3.89
\n" ); document.write( "4x=15.6
\n" ); document.write( "5x=19.4
\n" ); document.write( "----------------
\n" ); document.write( "2x+2x=70
\n" ); document.write( "4x=70
\n" ); document.write( "x=17.5
\n" ); document.write( "4x=70
\n" ); document.write( "
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