16g as a fraction of 2kg

What is the ratio between 500 g and 2 kg?

1. 1 ∶ 0.25
2. 1 ∶ 4
3. 4 ∶ 1
4. 1 ∶ 0.5

Answer

Option 2 : 1 ∶ 4

16g as a fraction of 2kg