A water tank has an inlet pipe with a flow rate of 7 gallons

A water tank has an inlet pipe with a flow rate of 7 gallons per minute and an outlet pipe with a flow rate of 3 gallons per minute. A pipe can be either completely closed or completely open.( 0,10)( 3,31) (8,16) Write a sentence stating the meaning of (0, 10)

Solution

The point (0,10), tell us that the water tank have 10 gallons before to started to fill, in the 0 minute and contains 10 gallons