A restaurant is changing how they make their ice cubes but they want them to be the
same width and height. the original ice cubes were cubes now they will make them
as spheres and they wonder if they will use less water or more water. if the original
ice cube had a side length of 3 cm, and the new sphere ice ball has to have the same
width, what is the volume of the new sphere ice ball?
how much water do they save? (find the volume of both)