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A certain train is traveling at a constant rate. If the trai

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A certain train is traveling at a constant rate. If the trai [#permalink] New post 25 Feb 2017, 09:24
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A certain train is traveling at a constant rate. If the train travels s miles in t hours, in how many hours will the train travel y miles?

A) \(\frac{sy}{t}\)

B) \(\frac{st}{y}\)

C) \(\frac{ty}{s}\)

D) \(\frac{s}{ty}\)

E)\(\frac{s+y}{t}\)
[Reveal] Spoiler: OA

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Re: A certain train is traveling at a constant rate. If the trai [#permalink] New post 04 Mar 2017, 17:49
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Explanation

A train travels s miles in t hours, hence speed of the train = \(\frac{s}{t}\) miles/hours.

Number of hours will the train travel y miles = \(\frac{distance}{speed}=\frac{yt}{s}\).

Hence option C is correct.
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Re: A certain train is traveling at a constant rate. If the trai   [#permalink] 04 Mar 2017, 17:49
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