The ratio of male workers to the female worker in factory A is 3 ∶ 4 and that in factory B is 5 ∶ 4. The percentage of the females who got increment in factory A is 70 percent and that in factory B is 85 percent. If 12 females in factory A did not get the increment and 68 females in factory B get the increment, then what can be the ratio of total workers in factory A to total workers in factory B?
1
5 ∶ 9
2
1 ∶ 2
3
7 ∶ 19
4
7 ∶ 18