The graph shows the volume of water in a 300\:L tank as it is being drained at a constant rate.
At what rate is the water leaving the tank, in litres per hour?
Answer Choices
A. 12
B. 20
C. 2.5
D. 5
E. 15
The graph shows the volume of water in a 300\:L tank as it is being drained at a constant rate.
At what rate is the water leaving the tank, in litres per hour?
Answer Choices
A. 12
B. 20
C. 2.5
D. 5
E. 15