Using the information in the problem, identify an additional variable which would affect the total cost for the trip and cause you to change the modelRewrite the model in terms of this additional cost.

You are about to leave for a long trip to the Pacific Coast of the United States. The total trip is 2030 miles. You know that you need to get an oil change before you leave. The cost of the oil change is $75. Your car averages 21 miles per gallon. The cost of the gasoline will depend on the location where it is purchased. You can only estimate what the average cost of gasoline might be. What will be the cost of driving to the Pacific Coast