C = 0.4m +68 Lúcia hires a truck driver to deliver the food for her catering company. For a delivery that is m miles away, the total cost, C. in dollars, is given by the above equation. What is the meaning of the 0.4m in this equation? А A There are 0.4m miles in each delivery. B 0.4m is a flat fee charged for every delivery. С It costs 0.4m dollars per mile to deliver the food. 0.4m is the mileage-dependent portion of the delivery charge. 2