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Mathematics, 26.06.2019 00:30 ciel8809

Two trains leave the station at the same time, one heading west and the other heading east. the westbound train travels at 65 miles per hour. the eastbound train travels at 85 miles per hour. how long will it take for the two trains to be 390 miles apart

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Two trains leave the station at the same time, one heading west and the other heading east. the west...
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