SOLUTION: if the surface area of a sphere is doubled from 250 to 500 by what factor does it's volume Increase?

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Question 1096171: if the surface area of a sphere is doubled from 250 to 500 by what factor does it's volume
Increase?
Answer by Alan3354(69443) About Me  (Show Source):
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if the surface area of a sphere is doubled from 250 to 500 by what factor does it's volume
Increase?
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SA is a function of r^2 --> r --> r*sqrt(2)
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Vol is a function of the cube of r.
--> r*(sqrt(2))^3
= a factor = 2sqrt(2)