Tank A initially contained 124 liters of water. It is then filled with more water, at a constant rate of 9 liters per minute. How many liters of water are in Tank A after the following amounts of time have passed?

4 minutes
80 seconds
minutes
How many minutes have passed, , when Tank A contains the following amounts of water?

151 liters
191.5 liters
270.25 liters
liters
Tank B, which initially contained 80 liters of water, is being drained at a rate of 2.5 liters per minute. How many liters of water remain in the tank after the following amounts of time?

30 seconds
7 minutes
minutes
For how many minutes, , has the water been draining when Tank B contains the following amounts of water?

75 liters
32.5 liters
18 liters
liters