Question

Suppose a 20 gram cube of aluminum were cut into four equal parts. How would the density of one part be related to the density of the whole cube?

Answer 1

It will remain the same, since the formula for density is D=m/v
since mass is directly proportional with volume (due to its dimensions) if you cut a piece of aluminium in four the mass will get smaller as well as the size, therefor the volume.