The standard metric units of density are: kg/n g/cm^3 kg/cm^3 g/l

= g/cm^3

Explanation;

-Density is the mass per volume of a substance or the weight per volume of an object. The Metric System is a type of system of measuring that uses only one root word for each basic dimension, such as, -gram for mass or -meter for distance.

-Metric system densities are usually in the units of mass per volume, such as g/cm^3 (gram per cubic centimeter). Where grams represent the units of mass and cm^3 represents the volume.

so in other words The standard metric units of density are g/cm^3

5/20 so 25%

step-by-step explanation: