Question

Masses of precious stones are measured in carats, where 1 carat = 200 milligrams.

What is the mass of a 80-dg diamond in carats?

Answer 1

Answer 2/5 carats, or 0.4 carats

Answer 2

2/5 carats, or 0.4 carats

Explanation:

200/80 = 2.5

1/2.5 = 0.4