Question

Which ratio forms a proportion with 12/15?

Answer 1

it would be 20/25 because they both are 2/5

Answer 2

Answer 20/25

When they ask you about ratio, the easy way to reach an answer is by dividing the fraction, in this case if you divide 12 over 15, you'll get 0.8

The same way if you divide 20 over 25. Try yourself if you want to check