Problem Solving
试题详情
题目：
A technician makes a round-trip to and from a certain service center by the same route. If the technician completes the drive to the center and then completes 10 percent of the drive from the center, what percent of the round-trip has the technician completed?
选项:
A、5%
B、10%
C、25%
D、40%
E、55%
答案:
E
