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) ![]() You can put this solution on YOUR website! 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( " |