You should eat back within that range, especially if your tracker is set to lose 2 pounds a week. 1200 is considered an absolute bare minimum by many doctors. You don't need to eat ALL of them back though.
I believe you can do either. It's helpful if you allow yourself to eat at a little bit higher than your usual range if you're doing a really intense workout that day, or if you're doing something like hiking all day. I'm using the original tracker, myself, but I think the new tracker will be really beneficial when I am in maintenance mode.
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