Question: A spherical balloon has a 28 -in diameter when it is fully inflated. Half of the air is let out of the balloon. Assume that

A spherical balloon has a 28-in diameter when it is fully inflated. Half of the air is let out of the balloon. Assume that the balloon remains a sphere.

a. Find the volume of thefully-inflated balloon.

b. Find the volume of thehalf-inflated balloon.

c. What is the diameter of thehalf-inflated balloon?

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