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26 January, 22:00

A hiker walks at a speed of 3 2 5 kilometers per hour. How many kilometers will the hiker walk in

40 minutes?

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  1. 27 January, 01:29
    0
    = 2 4/15 km

    Step-by-step explanation:

    Speed = 3 2/5 km/hour

    The units are not the same. The speeds is in hours and the time is in minutes

    Lets convert minutes to hours. 60 minutes = 1 hour

    40 minutes * 1 hour / 60 minutes = 40/60 hours = 2/3 hour

    Distance = speed * time

    = 3 2/5 * 2/3

    Change the mixed number to an improper fraction

    3 2/5 = (5*3+2) / 5 = 17/5

    = 17/5 * 2/3

    = 34 / 15 km

    Change this back to a mixed number

    15 goes into 34 2 times (15*2 = 30) with 4 left over

    = 2 4/15 km
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