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OpenStudy (anonymous):
A freight train travels at 30 mph. If the freight train is 300 miles ahead of an express train traveling at 55 mph, how long will the express train take to overtake the freight train?
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OpenStudy (anonymous):
Assume the express train travels for time t, then distance covered by it is 55t This should be equal to the distance covered the freight train in time t, as well as the additional 300 miles. so 55t=30t+300 25t=300 t=12 hours
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