120 inches.
This is because to find the scale factor, you have to take the square root of the area scale. This will give you 30-1 ratio. Then multiply the 4 by that number.
Answer: Area of rectangle can be given by expressions:

Step-by-step explanation:
Given : A square has sides of length s.
According to the question,
Dimensions of new rectangles=(s-6)×(s+1)
Thus, Area of rectangle= (s-6)×(s+1)

Thus , area of rectangle can be given by expressions:

I believe the answer would be 400 you take 4/5 and multiply it by 500