Mathematics, 03.05.2021 23:00 alexkrol30083

An express train also travels 350 miles but at different constant speed. The express train completes the trip in 80% of the time it took the passenger train to travel 350 miles. What is the express train's speed in miles per hour? Explain your reasoning.

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An express train also travels 350 miles but at different constant speed. The express train completes...

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