The ratio of the number of hens to the number of goats on farm A is 5 ∶ 3 and that on farm B is 5 ∶ 7. If the total number of pets in both farms is equal. What could be the ratio of the total number of hens to the total number of goats in farms A and B taken together?
1
3 ∶ 2
2
1 ∶ 2
3
25 ∶ 23
4
7 ∶ 11