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24 March, 15:41

A car completes a journet at an average speed of 40km/h. at what speed must it travel on return journey if average speed for complete journey is 60km/h

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Answers (2)
  1. 24 March, 16:57
    0
    The return speed would be 80km/h.

    40km/h+80km/h=160km/h

    160km/h (divide by) 2=60km/h
  2. 24 March, 19:01
    0
    The answer is 80km/h I think.
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