document.write( "Question 349769: The length of a rectangle is 4 feet more three times its width. Find the largest possible width if the perimeter is no more than 80 feet. \n" ); document.write( "
Algebra.Com's Answer #249992 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
L=3W+4
\n" ); document.write( "2L+2W<=80
\n" ); document.write( "2(3W+4)+2W<=80
\n" ); document.write( "6W+8+2W<=80
\n" ); document.write( "8W<=80-8
\n" ); document.write( "8W<=72
\n" ); document.write( "W<=72/8
\n" ); document.write( "W<=9 ANS. FOR THE WIDTH.
\n" ); document.write( "L=3*9+4=27+4=31 ANS. FOR THE LENGTH.
\n" ); document.write( "PROOF:
\n" ); document.write( "2*31+2*9<=80
\n" ); document.write( "62+18<=80
\n" ); document.write( "80<=80
\n" ); document.write( "
\n" );