The graph shows that while it was being filled, the amount of water in gallons in a swimming pool was approximately proportional to the time that has passed in minutes.
1.About how much water was in the pool after 25 minutes?
2.Approximantely when we’re the 500 gallons of water in the pool?
3.Estimate the constant or proportionality for the number of gallons of water per minute going into the pool.