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A train travels 82 kilometers in 2 hours, and then 91 kilometers in 3 hours. What is its average speed?
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A train travels 82 kilometers in 2 hours, and then 91 kilometers in 3 hours. What is its average speed?
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Nov 25, 2017
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A train travels 82 kilometers in 2 hours, and then 91 kilometers in 3 hours. What is its average speed?
Mathematics
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Sonnia
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Sonnia
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speed = distance / time
speed = (82 + 91) / (3 + 2)
speed = 173/5
speed = 34.6 km/hr
Hong Wei Wang
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Dec 1, 2017
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Hong Wei Wang
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