The proportion of the following numbers is: a 0.6 1 / 4 1 / 5 0.75 B 1 / 4 7 1 / 8 1 / 14 C 3 21 34 46

The proportion of the following numbers is: a 0.6 1 / 4 1 / 5 0.75 B 1 / 4 7 1 / 8 1 / 14 C 3 21 34 46

A 0.61/41/50.75, the proportion of this group is 0.6 ∶ 0.75 = 1 / 5 ∶ 1 / 4