document.write( "Question 439685: if the perimeter of a rectangle is 112 meter, and the length is one meter shorter than twice the width, then what is the length and the width
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Algebra.Com's Answer #303852 by asuar010(338)![]() ![]() You can put this solution on YOUR website! the perimeter formula for a rectangle is P=2(l+w) l=lenght, w=width\r \n" ); document.write( "\n" ); document.write( "by interpreting the problem we assign x as the width and 2x-1 as the length... \n" ); document.write( "w=x \n" ); document.write( "l=2x-1\r \n" ); document.write( "\n" ); document.write( "by substituting the values we get: \n" ); document.write( "112=2(x+2x-1) then 112=2(3x-1) then 112=6x-2 then 114=6x and we obtain x=19.\r \n" ); document.write( "\n" ); document.write( "then by subtituting the value of x we get that w=19 and l=2(19)-1=37 \n" ); document.write( " |