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OpenStudy (melich):

FAN + MEDAL One train, starting at 11AM, travels east at 45 mi/hr while another, starting at noon from the same point, travels south at 60 mi/hr. how fast are they separating at 3PM?

OpenStudy (melich):

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OpenStudy (melich):

the answer should be (105*2^1/2)/2 mi/hr

OpenStudy (melich):

but I don't know how to solve it

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