A rental car agency charges $220.00 per week plus $0.25 per mile to rent a car. How many miles can you travel in one week for $445.00? The number of miles you can travel in one week for $445.00 is (I haven't been able to figure this out)

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?