An express train also travels 350 miles but at a 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?

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# An express train also travels 350 miles but at a different constant speed. The express train completes
the trip in 80%

An express train also travels 350 miles but at a 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?