Problem Solving
试题详情
题目：
On a certain transatlantic crossing, 20 percent of 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 not take their cars aboard the ship, what percent of the ship's passengers held round-trip tickets?
选项:
A、
B、40%
C、50%
D、60%
E、
答案:
C
