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20 October, 15:28

A car travel 65kms from A to B in 70 minutes and 80 km from B to C in 75 minutes.

Find the average speed in km/h of the car for the whole journey?

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Answers (1)
  1. 20 October, 15:36
    0
    60 km/h

    Step-by-step explanation:

    The car has traveled a total distance of 65+80 = 145 km in 70+75 = 145 minutes. Then the average speed is ...

    speed = distance/time = (145 km) / (145 min) · (60 min/h) = 60 km/h

    The average speed for the journey is 60 km/h.
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