You are standing 100 m noth of your car when an alligator appears 20 m north of

Question:

You are standing 100 m noth of your car when an alligator appears 20 m north of you and begins to run toward you at 8 m/s. At the same moment you start to run toward your car at 5 m/s. (a) Will you reach the car before the alligator over-takes you? (b) If not, how far from your car does the alligator have lunch?