A new car may be purchased with either a gasoline or a diesel engine. The diesel engine
gets 35 mpg. The gasoline engine gets 31 mpg. Gasoline cost $1.87 per gallon and diesel
costs $1.90 per gallon. The diesel engine costs $525.60 more than the gasoline engine.
How far must you drive a car with a diesel engine before the savings in fuel pay for the
higher price of the engine?