What is the average speed of a train travelling 190 km in 2 1/2 hours?
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2 hours?
What is the average speed of a train travelling 190 km in 2 1/2 hours?
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78km/hour.
STEP BY STEP EXPLANATION:
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60 minute=1 hour
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1 minute/1/60 hour
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30 minute=30/60 hour=1/2 hour
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2hour 30 minute=2+1/2 Hour=5/2 Hours
Train travels 120 km = 5/2 Hours
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