SOLUTION: A sphere with a diameter 1 meter has a mass of 120 kilograms. What is the mass, in kilograms, of a sphere of the same kind of material that has a diameter of 2 meters?

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Question 208717: A sphere with a diameter 1 meter has a mass of 120 kilograms. What is the mass, in kilograms, of a sphere of the same kind of material that has a diameter of 2 meters?
Found 2 solutions by ankor@dixie-net.com, Alan3354:
Answer by ankor@dixie-net.com(15745) (Show Source):
You can put this solution on YOUR website!
A sphere with a diameter 1 meter has a mass of 120 kilograms.
What is the mass, in kilograms, of a sphere of the same kind of material that
has a diameter of 2 meters?
:
Using the volumes of two sphere, we can see:
=
Therefore
8 * 120 = 960 kilgrams

Answer by Alan3354(31487) (Show Source):
You can put this solution on YOUR website!
Ankor used radius when it said diameter.
Since it's a ratio, his answer is correct.