trey is draining an aquarium. the graph shows the amount of water (in liters) in the aquarium versus time (in minutes)

Given the graph represents the amount of water in the aquarium versus time.
A) As shown in the graph :
as the time increases the amount of water in the aquarium decreases
The rate of water decreasing =
[tex]\frac{480}{8}=60[/tex]so, the rate = 60 litres per minute