what we need from submitted work

Question:

Do you just want the answers or do you want to see how we worked at the problems?

Answer:

The problems you submit should contain complete solutions with full explanations of everything you did and why.

Your responses should make it clear what your starting information is and how you get from there to your solutions.

You don't need to completely restate the problem, but I should be able to evaluate your work without having to consult the course materials (I am familiar with the problems that don't remember specific details on all problems).
The reason for this is that twofold:

It's very inefficient for me to flip back and forth between two documents; I need to use the time to respond to your work and help you learn the material

and

you need to practice the sort of communication implicit in this request.