London is driving to a concert and needs to pay for parking. There is an automatic fee of $10 just to enter the parking lot, and when she leaves the lot, she will have to pay an additional $2 for every hour she had her car in the lot. How much total money would London have to pay for parking if she left her car in the lot for 5 hours? How much would London have to pay if she left her car in the lot for t hours?