Question 1009602
Let width be x
Let length be y 

y = 3x + 4


P = (2 * width) + (2 * length)
P = 2x + 2y
32 = 2x + 2(3x + 4)
32 = 2x + 6x +8
32 = 8x + 8
24 = 8x
x = 3
y = 3x + 4 
   = 3 (3) + 4 
   = 9 + 4 
   = 13
 

A = width * length
A = x * y
A = 3 *13
A = 39


Final Answer:
Area = 39 ft^2