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document.write( "Rectangle has perimeter of 490mm, lengths sides are the ratio 3:4, the dimensions of the rectangle? \n" );
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Algebra.Com's Answer #440742 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! LET THE LENGTH BE 3X & THE WIDTH BE 4X \n" ); document.write( "P=2L+2W \n" ); document.write( "490=2*3X+2*4X \n" ); document.write( "490=6X+8X \n" ); document.write( "490=14X \n" ); document.write( "X=490/14 \n" ); document.write( "X=35 \n" ); document.write( "3*35=105 FOR THE LENGTH. \n" ); document.write( "4*35=140 FOR THE WIDTH. \n" ); document.write( "PROOF: \n" ); document.write( "490=2*105+2*140 \n" ); document.write( "490=210+280 \n" ); document.write( "490=490 \n" ); document.write( " |