To find the change in the amount of water in gallons in 1 minute, we first need to determine the rate at which water is removed by the pump.
The pump removes 250 gallons of water in 5 minutes. We can calculate the rate of water removal per minute by dividing the total gallons removed by the time in minutes:
\[ \text{Rate} = \frac{250 \text{ gallons}}{5 \text{ minutes}} = 50 \text{ gallons per minute} \]
Since the pump is removing water, the change in the amount of water is negative. Therefore, the change in the amount of water in 1 minute is:
\[ -50 \text{ gallons} \]
So, the correct response is:
−50
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