Question

The density of an object is defined as mass per unit volume. Mathematically we write that:
D = M/V. Rearrange this expression for: (a) M = ? (b) V = ?

Answer 1

if you have x=y/z

you can solve for y by doing the inverse process of z

y=x*z

do the same thing

Answer 2

M=D*V
V=M/D