Sathish is going on a 2100 km road with 2 friends, whom he will pick up 150 kilometers after he begins the trip and drops off wh
en 150 kilometers are remaining. The car consumes 6 liters of gas for every 100 kilometers and gas costs $1.20 per liter. Sathish will pay for all the gas when he is alone in the car, but he and his friends will split the cost evenly when they are together.
