kiaradojoana kiaradojoana 13-02-2016 Mathematics contestada Which one of the following statements expresses a true proportion? A. 3 : 5 = 12 : 20 B. 42 : 7 = 6 : 2 C. 2 : 3 = 3 : 2 D. 14 : 6 = 28 : 18