document.write( "Question 240740: The length of a certain rectangle is 3 cm greater than its width. If the width were doubled and the length were decreased by 1 cm, the new rectangle would have the same perimeter as the original. Find the dimensions of the original rectangle. \n" ); document.write( "
Algebra.Com's Answer #176412 by edjones(8007)![]() ![]() You can put this solution on YOUR website! L=w+3 \n" ); document.write( "P=2(w+w+3)=4w+6 replace L with w+3 \n" ); document.write( ". \n" ); document.write( "2nd rectangle: \n" ); document.write( "2w \n" ); document.write( "L-1=w+2 \n" ); document.write( "2(2w+w+2)=4w+6 \n" ); document.write( "6w+4=4w+6 \n" ); document.write( "2w=2 \n" ); document.write( "w=1 cm, L=4 cm \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |