On a certain transatlantic crossing, 20 percent of
80
a ship's passengers held round-trip tickets and also took their cars aboard the ship. If 60 percent of the passengers with round-trip tickets did $$\underline {not}$$ take their cars aboard the ship, what percent of the ship's passengers held round-trip tickets?
-
A$$33\frac{1}{3}$$%
-
B40%
-
C50%
-
D60%
-
E$$66\frac{2}{3}$$%