10.  Suppose Rent-A-Truck's rates are $50 a day plus $0.50 per mile and Sam's you-Drive's       are $70 a day plus $0.45 a mile. A.  Find the mileage at which the cost for the two would be the same. B.  What is the cost? C.  Under what conditions should one rent from Rent-A-Truck? … Read more