SOLUTION: 15cm is the height of water in a cylindrical containerof radius r. What is the height of this quantity of water if it is poured into a cylindrical container of radius 2r?

Algebra ->  Volume -> SOLUTION: 15cm is the height of water in a cylindrical containerof radius r. What is the height of this quantity of water if it is poured into a cylindrical container of radius 2r?      Log On


   

Question 1056645: 15cm is the height of water in a cylindrical containerof radius r. What is the height of this quantity of water if it is poured into a cylindrical container of radius 2r?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Same volume, same basic shape, just different radii.

15%2Api%2Ar%5E2=y%2Api%2A%282r%29%5E2

What is y?