This a poorly worded question. Read it again considering my highlights.

Can a basket be empty? If not then there are just two possible answers for you example:

5=3+1+1 or 5=2+2+1.

If baskets can be empty you have: 5=5; =4+1; 5=3+1+1; or 5=2+2+1

So the answer depends upon what you mean.

Please respond with a clarification.