To find the rate at which the water was drained from the tank, we need to know the amount of water left in the tank after each time interval and how much time has passed.
Assuming we have two time intervals provided as "T1" and "T2" minutes and the corresponding gallons of water left, "W1" and "W2," we can use the following formula:
Rate = (Change in gallons) / (Change in time) Rate = (W1 - W2) / (T1 - T2)
If you can provide the specific values for T1, T2, W1, and W2 from the table, I can help you calculate the drainage rate.