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22 May, 01:53

It is given that the average speed of a subway train is 72 km/h.

At this average speed, how far does it travel in 12 minutes?

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Answers (2)
  1. 22 May, 02:03
    0
    14.4 km

    Step-by-step explanation:

    First convert hours to minutes, 72km/60m.

    72/60=x/12

    864=60x

    864/60=60/60x

    14.4=x

    Therefore, the subway train will travel 14.4 km in 12 minutes.
  2. 22 May, 05:17
    0
    14.4km

    Step-by-step explanation:

    Average speed = distance/time

    Given speed = 72km/h and

    Time = 12minutes

    Convert the time to hour

    12mins = 12/60 = 0.2hour

    Therefore

    72 = distance/0.2

    Cross multiply

    Distance = 72 x 0.2

    = 14.4km

    It travels 14.4km in 12 mins
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