To find the unit rate of gallons per minute, you can divide the total gallons of water moved by the total time in minutes.
Given:
- Total gallons of water = 330 gallons
- Total time = 22 minutes
Unit rate (gallons per minute) = Total gallons / Total time
\[ \text{Unit rate} = \frac{330 \text{ gallons}}{22 \text{ minutes}} = 15 \text{ gallons per minute} \]
So, the unit rate is 15 gallons per minute.