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OpenStudy (anonymous):
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OpenStudy (anonymous):
Two trains leave the station at the same time, one heading west and the other east. The westbound train travels at 80 miles per hour. The eastbound train travels at 90 miles per hour. How long will it take for the two trains to be 238 miles apart? Do not do any rounding.
OpenStudy (anonymous):
@uri
OpenStudy (anonymous):
@linn99123
OpenStudy (anonymous):
Note that the speeds are 170 mph apart, so the answer is 238/170 hours. Simplify to finish. Oldest trick in the book.
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