A freight train left Berlin and traveled
west at an average speed of 90 mph. A
passenger tra...
Mathematics, 10.12.2021 07:20 chandranewlon
A freight train left Berlin and traveled
west at an average speed of 90 mph. A
passenger train left six hours later and
traveled in the opposite direction with an
average speed of 40 mph. Find the
number of hours the passenger train needs
to travel before the trains are 930 mi.
Answers: 3
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