To find the change in water in 1 minute, you can first calculate the rate at which the water drains.
The tank drains 24 gallons in 6 minutes. Therefore, the rate of drainage can be calculated as follows:
\[ \text{Rate} = \frac{24 \text{ gallons}}{6 \text{ minutes}} = 4 \text{ gallons per minute} \]
Thus, the change in water in 1 minute is 4 gallons. Since the tank is draining, the change is negative:
\[ \text{Change in water in 1 minute} = -4 \text{ gallons} \]
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