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Math Help - Measures of Length

  1. #1
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    Measures of Length

    A group of landless farmers invaded the farm Good Hope in the Mato Grosso, this farm was 240 m from the front and 12 km from bottom, and it was set up 8 per hectare activists.
    How many people were settled in these lands?

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    Quote Originally Posted by Apprentice123 View Post
    A group of landless farmers invaded the farm Good Hope in the Mato Grosso, this farm was 240 m from the front and 12 km from bottom, and it was set up 8 per hectare activists.
    How many people were settled in these lands?

    Since you need everything in the same unit of measurement (I used m and m^2)
    12km = 12,000m
    1hectare = 10,000m^2

    From this you need to find out the total area of the farm and then multiply by 8 to get the number of people

    \frac{12000m \times 240m}{10000m^2/hectare}

     = 12 \times 24 = 288 hectares

    The people will be 288 hectares x 8 people/hectare = 2304 people

    Dimensional Analysis is very handy for this kind of problem, it helped me understand :]
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    thank you very much
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