In cities A and B there are four types of people living i.e. Teacher, Doctor, Singer, Dancer. The teachers of city B are 20% More than the teachers of A. Ratio of doctors in cities A and B is 7 : 5. Dancer at A is 14 less than doctors at B and dancer at B is 28 less than the doctors at A. The total number of dancers is 78. The difference between singers of A and B is 12. The ratio of singers of A and B is 17 : 13. The teachers at B are 48.