Option D is the correct answer.
Explanation:
As given, if the car is returned with a fuel level below the mentioned level, it will be completely re-fueled and the cost will be added to Tim's total bill.
As, the fuel needed to fill the car is 11.75 gallons and cost of a gallon is $4.50, so total cost becomes
=
And the cost of re fueling is $5, so total cost becomes =
≈ $57.88
So, total cost is $57.88 (option D)