math

How long does it take to travel 84.2km
at 80 kph

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  1. recall that speed is distance travelled per unit of time, or
    v = d/t
    substituting,
    80 = 84.2 / t
    80t = 84.2
    t = 84.2/80
    t = 1.0525 h

    hope this helps~ :)

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  2. Time = Distance/Speed
    = 84.2 km/(80 km/h) = 1.0525 hours
    = 63.15 minutes
    = 63 minutes and 9 seconds

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