Soal SMA · Soal cerita · Kesulitan 2/5
A train leaves Station A at 9:00 AM traveling at 60 mph. Another train leaves Station B at 10:00 AM traveling at 80 mph on a parallel track towards Station A. The distance between stations is 200 miles. At what time will they meet?
- A.10:30 AM
- B.11:00 AM
- C.11:30 AM
- D.12:00 PM
Kunci jawaban & pembahasan
Jawaban: 11:00 AM
By 10:00 AM, first train has traveled 60 miles, remaining distance = 140 miles. Relative speed = 60+80=140 mph. Time to meet = 140/140 = 1 hour after 10:00 AM, so 11:00 AM.
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