a body covers certain distance with the speed of 54km/ h and return with the speed of 72km/h.find the average speed
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Answer:
63km/h
Explanation:
average speed is calculated by adding the measurements given eg 72km/h +54km/h
then dividing it by two because we are finding the average
so we get 126km/h(÷)2 = 63km/hr
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