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16 February, 21:17

A truck driver travels 55 km in 1 hour he then drives a speed of 35 km/h for two hours next he drives 175 km in three hours. what was his average speed?

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  1. 16 February, 21:53
    0
    First hour = 55 per hour.

    = 55

    second and third = 35 per hour.

    = 70

    fourth, fifth and sixth = 175 per hour.

    = 525

    average speed = (55 + 70 + 525) / 6

    = 650 / 6

    = 108.33 km per hour
  2. 16 February, 22:14
    0
    V = s/t = (55+35x2+175) / (1+2+3) = 50 km/h
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