Final answer:
The relationship between the rate at which a pool fills and the time it takes to fill the pool can be determined to see if it is proportional or non-proportional. In this case, since the rate is given as 540 gallons per hour and there is no information provided on the rate changing, we can conclude that the relationship is proportional.
Step-by-step explanation:
The relationship between the rate at which a pool fills and the time it takes to fill the pool can be determined to see if it is proportional or non-proportional. In a proportional relationship, the rate at which the pool fills would be constant. If the rate is not constant, then it is a non-proportional relationship.
For example, if the pool fills at a constant rate of 540 gallons per hour, then it would be a proportional relationship because the rate stays the same. However, if the rate changes over time, such as filling faster or slower, then it would be a non-proportional relationship.
In this case, since the rate is given as 540 gallons per hour and there is no information provided on the rate changing, we can conclude that the relationship is proportional.