A train travels from city A to city B. It leaves A at 10:30 AM and arrives at B at 1:15 PM. The distance between the cities is 143 miles. What was the average velocity of the train in miles per hour (mph)? For example, if the average velocity is 50 mph, simply enter 50.

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2 Answers

1.15pm - 10.30am = 2 hours 45 minutes

Average velocity
= 143 miles / (2 hours 45 minutes)
= 52 mph
by
1.15pm - 10.30am = 2.45h

2h 45min : 45 is 75% of 1 hour (60 min)

143 / 2.75 = 52mph
by

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