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document.write( " the perimeter of a rectangle is 140 cm and the ratio of its height to width is 3:4 find the area of the rectangle \n" );
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Algebra.Com's Answer #455045 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! P=2*3M+2*4M \n" ); document.write( "140=6M+8M \n" ); document.write( "140=14M \n" ); document.write( "M=140/14 \n" ); document.write( "M=10 THIS IS THE RATIO MULTIPLIER. \n" ); document.write( "3*10=30 FOR THE LENGTH \n" ); document.write( "4*10=40 FOR THE WIDTH. \n" ); document.write( "PROOF: \n" ); document.write( "140=2*30+2*40 \n" ); document.write( "140=60+80 \n" ); document.write( "140=140 \n" ); document.write( " |