Question 25578
The perimeter is 2l+2w=128
In addition you are told the following:
 6l+9w=444

Solve by substitution:
l+w=64
l=64-w
Rewrite the 2nd equation to get:
6(64-w)+9w=444
384-6w+9w=444
      3w=60
       w=20 feet
       l=64-20=44 feet

Cheers,
Stan H.