The the scale factor is 9
You can do this by dividing the values of the sculpture by the model
For example:
L: 72/8 = 9
W: 54/6 = 9
H: 81/9 = 9
area = 55 feet
area of rectangle = L x w
l = w+6
55 = w x w+6
55=w^2 + 6w
w^2 +6w -55=0
(w-5) (w+11)
width = 5 feet
length = 5+6 = 11 feet
