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Mathematics, 20.04.2021 04:00 kendallnowell18

At noon, two trains, traveling toward each other, leave from towns that are 486 km apart. One train averages at most 84 km/h, and the other at most 78 km/h. What is the earliest time that they could meet?

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At noon, two trains, traveling toward each other, leave from towns that are 486 km apart. One train...
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