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Mathematics 9 Online
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?

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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