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 musiclover10045
  • 05-07-2017

p(80+60)=560

p(140)=560

560/140 = 4 hours

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