document.write( "Question 293971: The width of a rectangle is three less than the lenght. if the perimeter of the rectangle is 30 yards finr the width. \n" ); document.write( "
Algebra.Com's Answer #212110 by checkley77(12844)\"\" \"About 
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W=L+3
\n" ); document.write( "P=2L+2W
\n" ); document.write( "30=2L+2(L+3)
\n" ); document.write( "30=2L+2L+6
\n" ); document.write( "30=4L+6
\n" ); document.write( "4L=30-6
\n" ); document.write( "4L=24
\n" ); document.write( "L=24/4
\n" ); document.write( "L=6 ANS. FOR THE LENGTH.
\n" ); document.write( "W=6+3=9 ANS. FOR THE WIDTH.
\n" ); document.write( "PROOF:
\n" ); document.write( "30=2*9+2*6
\n" ); document.write( "30=18+12
\n" ); document.write( "30=30
\n" ); document.write( "
\n" );