lamiabapari0567 lamiabapari0567 07-11-2015 Mathematics contestada what is the ratio of 9:45, 19:38, 24:40, 14:28, 8:20, 15:20, 9:15, 19:180, 18:27, 36:60, 12:30, 32:54, 13:65, 15:30, 12:15, 12:20.