Question

Which one of the following statements expresses a true proportion?
A. 2 : 3 = 3 : 2
B. 42 : 7 = 6 : 2
C. 14 : 6 = 28 : 18
D. 3 : 5 = 12 : 20

Answer 1

D because you can times them both by 4. That's why it's correct because 4 is their relationship.

Answer 2

The answer would be D. 3 : 5 = 12 : 20