Its C, fiber. The 6 major nutrients are fat, protein, carbohydrates, vitamins, minerals, and water. Hope this helps!
If each have 12 including their selves that would be 13. 13 times 2 is 26 -2 is 24 if your including the parter then it would be 25 not including your self
I believe it is Amy's, because you said Amy's target heart rate zone is 140bpm -- 186bpm. Thus, Amy's is higher