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March 29, 2017

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a boat travel for 4hr from pole a to pole b.then it travel for 3hr from pole b back to pole a.the distance between the two poles was 40km
a.find the total time taken for the whole journey
b.find the average speed for the whole journey

  • math - ,

    total time = 4 hours + 3 hours = 7 hours.

    Avg speed = total distance / total time
    Avg speed = 40 * 2 / 7 = 80/7 km/h

  • math - ,

    1.5

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