Im not quite sure but i would go with
1. changing to a completely new type of activity - overcoming a plateau
2. making your goals easier - restarting after a break
Answer:
I would assume 204bpm because you'd double the 50% bpm to make the maximum bpm.
Explanation:
Only use this answer as a last resort, it's been awhile since I worked on heartbeat and pulse topics. I was also not very good at it in the first place.
Physical inactivity and obesity
