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Mathematics, 22.11.2019 05:31 bloodry

Atrain leaves little? rock, arkansas, and travels north at 80 kilometers per hour. another train leaves at the same time and travels south at 60 kilometers per hour. how long will it take before they are 560 kilometers? apart?

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Atrain leaves little? rock, arkansas, and travels north at 80 kilometers per hour. another train le...
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