AMC 8 1995 Problem 25

AMC8 1995 年第 25

行程问题★★★★
Buses from Dallas to Houston leave every hour on the hour. Buses from Houston to Dallas leave every hour on the half hour. The trip from one city to the other takes 5 hours. Assuming the buses travel on the same highway, how many Dallas-bound buses does a Houston-bound bus pass in the highway (not in the station)?
从 Dallas 到 Houston 的巴士每小时正点发车。从 Houston 到 Dallas 的巴士每小时半点发车。从一城到另一城的行程需 5 小时。假设巴士在同一条高速公路上行驶,一辆从 Houston 出发的巴士在途中(不在车站)会与多少辆 Dallas 方向的巴士相遇?
  1. A.5
  2. B.6
  3. C.9
  4. D.10
  5. E.11

正确答案 · Correct Answer

D

解析 · Solution

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