SOLUTION: The weight of a synthetic ball varies directly with the cube of its radius. A ball with a radius of 2 inches weighs 4.80 pounds. Find the weight of a ball of the same material with

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: The weight of a synthetic ball varies directly with the cube of its radius. A ball with a radius of 2 inches weighs 4.80 pounds. Find the weight of a ball of the same material with      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 445428: The weight of a synthetic ball varies directly with the cube of its radius. A ball with a radius of 2 inches weighs 4.80 pounds. Find the weight of a ball of the same material with a 3 inch radius.
The weight of a ball of the same material with a 3 inch radius is____lb.
thanks
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
4.8/8=x/27
8x=129.6
x=16.2lbs..