The tortoise can run with a speed of 0.1 m/s and the hare can run with a speed of 2 m/s. They start their race at the same time, but the hare, feeling confident, stops along the way for a two minute nap, and the tortoise wins by the length of his shell, 0.2 m.
a) How much time did the race take?
b) How long was the race?