【单选题】Jill has 6x red marbles and Ay green marbles. Bill has half as many red marbles as Jill, but he has twice as many red marbles and green marbles combined as Jill. Column A Column B The number of green ...
A.
if the quantity in Column A is greater
B.
if the quantity in Column B is greater
C.
if the two quantity are equal
D.
if the relationship cannot be determined from the information given