On a certain transatlantic crossing, 25 percent of a ship's passengers held round-trip tickets and also took their cars abroad the ship. If 60 percent of the passengers with round-trip tickets did not take their cars abroad the ship, what percent of the ship's passengers held round-trip tickets?	Choose the correct answer
A) 33.3 % B) 40 % C) 50 % D) 60 % E) 62.5 %

Rationale: "0.25 p = rt + c 0.6 ( rt ) = no c = > 0.40 ( rt ) had c 0.25 p = 0.40 ( rt ) rt / p = 62.5 % answer - e"
Answer: E