document.write( "Question 129518: Retangular shape:
\n" ); document.write( "240 m perimeter
\n" ); document.write( "length= triple the width.
\n" ); document.write( "Find: length and width\r
\n" ); document.write( "\n" ); document.write( "tried 3(x+x)=240\r
\n" ); document.write( "\n" ); document.write( "No go!
\n" ); document.write( "

Algebra.Com's Answer #94920 by scott8148(6628)\"\" \"About 
You can put this solution on YOUR website!
let x=width, so 3x=length __ perimeter equals twice the length plus twice the width\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "240=2(x)+2(3x) __ 240=8x
\n" ); document.write( "
\n" );