Suppose the sphere below with radius r has a volume equal to 30 units? Find
the volume of the sphere with twice the radius.
![Suppose the sphere below with radius r has a volume equal to 30 units Find the volume of the sphere with twice the radius class=](https://us-static.z-dn.net/files/d6b/ba5612c2d2ac8bc469c42105b8593e21.png)