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Question 17 You travel by train to a city and back. The outbound journey took 2.5 hours on an fast train, but the return journey on the same route took 4 hours. If the train averaged 80 mph for the return journey, what was the average speed of the outbound journey? 0000 50 mph 98 mph 100 mph 128 mph

Question 17 You travel by train to a city and back. The outbound journey took 2.5 hours on an fast train, but the return journey on the same route took 4 hours. If the train averaged 80 mph for the return journey, what was the average speed of the outbound journey? 0000 50 mph 98 mph 100 mph 128 mph

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question 17 You travel by train to a city and back. The outbound journey took 2.5 hours on an fast train, but the return journey on the same route took 4 hours. If the train averaged 80 mph for the return journey, what was the average speed of the outbound journey? 50 mph 98 mph 100 mph 128 mph
Transcribed Image Text:Question 17 You travel by train to a city and back. The outbound journey took 2.5 hours on an fast train, but the return journey on the same route took 4 hours. If the train averaged 80 mph for the return journey, what was the average speed of the outbound journey? 50 mph 98 mph 100 mph 128 mph
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