A car travelled the first third of a distance at a speed of 10Kmph, the second third at a speed of 20Kmph and the last third at a speed of 60Kmph. Determine the average speed of the car over the entire distance
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Answer:
30 km
Explanation:
10 km + 20 km + 60 km
=90 km
=90 divided by 3
= 30 km
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