The distance between Kate and Cora is 2500 meters . Kate and Cora start walking toward one another and Kate' dog start running back and forth between Cora and Kate at a speed of 120 meters per minute . Cora walks at the speed of 40 meters per minute while Kate walks at the speed of 60 meters per minute . What distance will the dog have traveled when Cora and Kate meet each other ?
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Kate and Harry start walking toward one another and Kate' dog start running back and forth between Harry and Kate at a speed of 120 meters per minute.
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