Answer:
Step-by-step explanation:
2:3
it was originally 8:12, but it has to be simplified. 2/3 can also work as an answer.
You are given the masses of four planets.
Add them together, and then divide your sum by 4.
That will be the "average planet mass" for these 4 planets.
Step-by-step explanation:
I'll help if you'd like
How to:
a+b-mx=0
a+b=mx
(a+b)/x=m
