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san4es73 [151]
3 years ago
7

A freight train travels 260 km in the same time a passenger train travels 320 km. If the passenger train averages 15km/hour fast

er than the freight train, what is the average speed of the freight?
Mathematics
1 answer:
JulsSmile [24]3 years ago
4 0
Time = t 

<span>vf t = 260 </span>
<span>vp t = 320 </span>
<span>so </span>

<span>260/vf = 320/(vf+15) </span>

<span>320 vf = 260 vf +260(15) </span>
<span>60 vf = 390 </span>
<span>3 vf = 39 </span>
<span>vf = 13 km/hour

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.

</span>
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