britanyyy8938 britanyyy8938

02-07-2017
Mathematics

contestada

A train 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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musiclover10045 musiclover10045

05-07-2017

p(80+60)=560

p(140)=560

560/140 = 4 hours

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