saraann saraann

03-10-2017
Mathematics

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A train travels 128 km in 2 hours and 30 minutes. What is its average speed in km/min?

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musiclover10045 musiclover10045

03-10-2017

1 hour = 60 minutes

2 hours = 120 minutes +30 = 150 minutes total

128 / 150 = 0.853 km/min

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