Water is pouring out of a pipe at the rate of gallons/minute. You collect the water that flows from the pipe between = 2 minutes and = 4 minutes. The amount of water you collect can be represented by:
(4) – (2)
(4 – 2) (4)
the average of (4) and (2) times the amount of time that elapsed
If is measured in gallons/minute and is measured in minutes, what are the units of ?