Lake A has a duck population of 30 females and 35 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?	Options
A) 144  B) 105  C) 78  D) 51  E) 36
Lake A has a duck population of 30 females and 35 males --&gt; the ratio is F:M = 30:35 = 6:7.   Lake B’s duck population consists of the same ratio of females to males --&gt; F:M = 6:7.   78
<result>C</result>
Lake A has a duck population of 30 females and 35 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?