Question 386407
Two trains leave Dallas traveling the same direction on parallel tracks. One train is traveling at 72 mph and the other is traveling 66 mph. How long before they are 45 miles apart? .

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Train A 72 mph
Train B = 66 mph
difference in speed = 6 mph.
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t=d/r
t=45/6
t=7.5 hours
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45 miles apart after 7.5 hours
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m.ananth@hotmail.ca