Answer: Density is defined as the ratio between mass and volume or mass per unit volume.
Explanation:
With some help from google, i got you an answer.
The density, of a substance is its mass per unit volume. The symbol most often used for density is ρ, although the Latin letter D can also be used. Mathematically, density is defined as mass divided by volume: where ρ is the density, m is the mass, and V is the volume.
