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OpenStudy (anonymous):
A train leaves Kansas City and travels north at 85kmph. Another train leaves at same time and travels south at 95kmph. How long will it take before they are 325km apart?
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jigglypuff314 (jigglypuff314):
If you take it from one of the train's perspective, they are moving away from each other at (85+95) 180kmph then to find out how long it would take for them to be 325km apart 325 / 180 =
OpenStudy (anonymous):
Thank you, got it.
jigglypuff314 (jigglypuff314):
you're welcome :)
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