document.write( "Question 761128: The length of a rectangle is 3 times its width. If the length is increased by 2 inches and the width by 1 inch, the new perimeter is 62 inches. What is the width before the increase \n" ); document.write( "
Algebra.Com's Answer #463051 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Width = x \n" ); document.write( "Length = 3x \n" ); document.write( "New sizes \n" ); document.write( "Width = x + 1 \n" ); document.write( "Length = 3x + 2 \n" ); document.write( "Perimeter = 2*length = 2*width \n" ); document.write( " 62 = 2(3x + 2)+ 2(x + 1) \n" ); document.write( " 62 = 6x + 4 + 2x + 2 \n" ); document.write( " 62 = 8x + 6 \n" ); document.write( " 8x = 56 \n" ); document.write( " x = 7 \n" ); document.write( "Width was 7 inches before increase. \n" ); document.write( "Hope this helps. \n" ); document.write( ":-) \n" ); document.write( " |