Question

One liter (l) of paint covers approximately 10 m2 of wall. how thick is the layer before it dries?

Answer 1

Hello

The volume occupied by the paint is 1 liter, which corresponds to
`V=10^(-3)~m^3`.
The volume of the paint is also the product between the covered area A and the the thickness t of the layer of paint:

`V=A t`
We know the area,
`A=10~m^2`, and the volume, so we can calculate the thickness of the layer:

`t= (V)/(A)= (10^(-3)~m^3)/(10~m^2)=10^(-4)~m`