Mathematics, 12.02.2021 01:00 Anonymouslizard

A train leaves Little Rock, Arkansas, and travels north at 55 kilometers per hour. Another train leaves at the same time and travels south at 85 kilometers per hour. How long will it take before they are 420 kilometers apart? It will take nothing hours.

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A train leaves Little Rock, Arkansas, and travels north at 55 kilometers per hour. Another train le...