Answer:
220%
Step-by-step explanation:
As Final quantity is larger than the Initial Quantity, the net percent is an increase.
450m^2
15m x 10m = 150m^2
20m x 30m = 600m^2
600m^2 - 150m^2 = 450m^2
A. (x,y) → (x-5,y-3)
That's the answer