A bus travels the first one third distance at a speed of 10km/hr. The next one third distance at 20km/hr and the last one rhird distance at 60km/hr. Find the average speed of the bus.
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first third distance= 10÷3=3.33km
the second one =20÷3=6.66km
the last one = 60÷3=20km
total average speed=20+3.33+6.66=29.99km is the answer
the second one =20÷3=6.66km
the last one = 60÷3=20km
total average speed=20+3.33+6.66=29.99km is the answer
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