A travells a distance of 660 km in 7 hour 30 minutes.what is the speed of train
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Step-by-step explanation:
distance = 660 km
time = 7 hour 30 min 1 hour = 60 minutes
7 hour = 7 x 60 = 420 minutes
7 hour 30 min = 420 + 30 = 450 minutes
speed = distance / time
= 660/450
= 22/15 km min⁻¹ or 1.466
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