Answer:
I think it is 4 to 3
Step-by-step explanation:
if I am wrong I'm sorry
Kilogram is an SI unit for mass.
Ounce and pound refer to American system for measuring things, and decakilogram is not the "basic" unit, but kilogram is.
Answer:

Step-by-step explanation:
3--2/-6-1=
3+2/-7
5/-7
Answer:
the second one
Step-by-step explanation:
the second one is the right answer