Read the information and answer the following question. The total number of people in organisation B is 500. In organisation A, the total number of st...

Read the information and answer the following question.
The total number of people in organisation B is 500. In organisation A, the total number of students equals the number of male teachers. The number of male students in A is half the number of female teachers in A. The sum of male students and female teachers in A equals the number of male students in B. In organisation B, the number of male and female teachers are equal, and each is 25 more than the number of female students in B. The number of female teachers in B is 75, and the total number of females in both organisations is 350.
What is the ratio of female students in organisation A to male students in organisation B?