Nhu is saving to buy a car. In the first 6 \ \ months, his savings were $80 less than \ \  the price \ \ of the car. In the second six months, Nhu saved $50 \ \ more than \ \ the price of the car. He still needs $370. \ \ a. What is the price of the car? \ \ b. What is the average amount of money Nhu saved \ \ each month? \ \ c. If Nhu continues to save the average amount each \ \ month, in how many months will he be able to afford \ \ the car