Atank starts out with 860 gallons of liquid. a pump adds liquid to the tank at a constant rate. after 8 hours, the tank contains 1,036 gallons. how many gallons of liquid were pumped per hour?

18

22

176

237

B. 22

Step-by-step explanation:

Let x represent number of gallons per hour.

We have been given that a pump adds liquid to the tank at a constant rate. The number of gallons added after 8 hours would be .

We are also told that the tank starts out with 860 gallons of liquid. So total amount of liquid after 8 hours would be .

The total amount of liquid in the tank after 8 hours is 1,036, so we can represent this information in an equation as:

Therefore, 22 gallons of liquid were pumped per hour.

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