document.write( "Question 26205: The perimeter of a rectangle is 400 meters. The length is 15 meters less than 4 times the width. Find the length and width. \n" ); document.write( "
Algebra.Com's Answer #14303 by uknouluvme89(30)\"\" \"About 
You can put this solution on YOUR website!
Let x = width
\n" ); document.write( "Let 4x-15 = length\r
\n" ); document.write( "\n" ); document.write( "P= 2l+2w
\n" ); document.write( "400 = 2(4x-15)+2x
\n" ); document.write( "400 = 8x-30+2x
\n" ); document.write( "400 = 10x-30
\n" ); document.write( "430 = 10x
\n" ); document.write( "43 = x\r
\n" ); document.write( "\n" ); document.write( "Width = x = 43 m
\n" ); document.write( "Length = 4x-15 = 157 m
\n" ); document.write( "
\n" );