This table shows a linear relationship between the amount of water in a tank and time.
Time (min.)
Water (gal.)
0
30
5
20
10
10
Which of these statements is true?
The water in the tank is increasing at a rate of $10 gallons per minute.
The water in the tank is decreasing at a rate of $10 gallons per minute.
O The water in the tank is increasing at a rate of $2 gallons per minute.
The water in the tank is decreasing at a rate of $2 gallons per minute.