Nate started working out at 1:45 p.m.
Time spent on warming up = 1/6 hour
converting hour into minutes
1 hour =60 minutes
1/6 hour = (1/6) *60 = 10 minutes
So time spent in warming up is 10 minutes.
Time spent on treadmill = 20 minutes.
Time spent on weight lifting = 1/3 hour = 20 minutes.
Time spent in cooling down =15 minutes.
Total time spent in working out = time spent in warming up+Time spent on treadmill+Time spent on weight lifting+Time spent in cooling down
So total time spent in working out = 10 min +10min + 20 min +15 min = 65 min
So adding 65 min to 1:45 p.m. , we get 2:50 p.m.
Answer: Nate finished working out at 2:50 p.m.