The average weight of 30 persons of group A is 3 kg more than the average weight of 25 persons of group B. The average weight of 25 persons of group is 2.5 kg more than the average weight of 20 persons of group C. If the total weight of 30 persons of group A is 1725 kg, then what will be the average weightof the persons of group A and group C taken together (in kg)?

A

55.3

B

55.4

C

55.1

D

55