SOLUTION: The weight of a synthetic ball varies directly with the cube of its radius. A ball with a radius of 2 inches weighs 4.40 pounds. Find the weight of a ball of the same material with

Question 1127388: The weight of a synthetic ball varies directly with the cube of its radius. A ball with a radius of 2 inches weighs 4.40 pounds. Find the weight of a ball of the same material with a 3-inch radius.

Answer by greenestamps(13203) (Show Source): You can put this solution on YOUR website!

The ratio of the radii is 3/2; the ratio of the weights is (3/2)^3.

The larger ball weighs 14.85 pounds.
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