Lake A has a duck population of 30 females and 36 males. Lake B’s duck population consists of the same ratio of females to males. If 6 new female ducks are added to Lake B and no other ducks are added or removed, the new total duck population of Lake B could be which of the following?
A. 144
B. 105
C. 78
D. 51
E. 36
A. 144
B. 105
C. 78
D. 51
E. 36