Question

Which pair of ratios form a proportion?

5 : 10 and 10 : 15

8 : 12 and 18 : 27

9 : 15 and 24 : 30

6 : 20 and 7 : 30

Answer 1

your answer is B::))

Answer 2

it is 8:12 and 18:27 because both equals 2/3