Answer:
It is important because you need to know how to depend on yourself.
Explanation:
If you depend on anyone else they could let you down. Also it is important because you need to learn how to be independent. Being independent is good because if you are by yourself you would know how to handle things and survive and thrive.
Answer:
You must know how much the heart beats in one minute.
Explanation:
Usually heart rates are in 'BPM' form, so you don't need to change it. But if so, you must know how many beats are in one minute to convert it. Hoped this helped.
I've had a friend similar to yours, yeah you can encourage them to eat but don't make them feel to bad about it. Just try to be there for them because there might be a reason behind why she isn't eating, you should maybe ask her about it. If it gets really serious you should go to an adult.
I hope everything gets better : )