Mathematics, 08.07.2019 13:00, errinbaker4683

Two trains leave the same station at the same time, but are headed in opposite directions. one train travels at 50 miles per hour and the other train travels at 60 miles per hour. how much time passes until the trains are 660 miles apart?

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Two trains leave the same station at the same time, but are headed in opposite directions. one train...