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22 January, 06:29

A motorist travelled 300 km

at an average

OF 75 km / h In and returned at an average speed of v km / b. if his average speed for the whole journey is 60km/h, find v?

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Answers (1)
  1. 22 January, 06:47
    0
    Step-by-step explanation:

    Total distance / total time=total speed

    600:60=10hrs

    300:75=4hrs

    I0-4=6

    V=300:6=50km/h
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