Problem Statement Formula What is the density of a billiard ball with a volume of 100cm3 and a mass of 250g. A block of wood with a density of 0.6g/cm3 and a volume of 1.2cm3 What is the mass? a Define Variables Substitution Answer A 800g boulder has a density of 8g/cm3 . What is the mass? A substance with a volume of 10cm3 and the Density of 5g/cm3