[計量]
An airline passanger is planning a trip that involves three
connecting flights that leave from Airports A,B,and C, respectively.
The first flight leaves Airport A every hour, beginning at 8:00 a.m.,
and arrives at Airport B 5/2 hours later. The second flight leaves
Airport B every 20 minutes, beginning at 8:00 a.m., and arrives at
Airport C 7/6 hours later. The third flight leaves Airport C every hoour,
beginning at 8:45 a.m. What is the least total amount of time the passanger
must spend between flights if all flights keep to their schedules?
(A) 25 min
(B) 1 hr 5 min
(C) 1 hr 15 min
(D) 2 hr 20 min
(E) 3 hr 40 min
Ans:(B)
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