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Math Help - How to sum "per hectare" values

  1. #1
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    How to sum "per hectare" values

    I have 6 different land classifications which all have different "Carbon per hectare" values:

    ex.
    A, 108.90
    B, 113.81
    C, 83.32
    D, 65.53
    E, 71.11
    F, 73.93
    (**Land Class, Carbon per Hectare)

    Total Hectares is 146,013.35

    How would I calculate a value for "Total Carbon per Hectare"?
    (not the total amount of carbon, but the Carbon per hectare value which would include all Land Classes.)


    THANK YOU!!!
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  2. #2
    MHF Contributor
    skeeter's Avatar
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    you'll need the number of hectares for each individual concentration to calculate a weighted average ...

    total C/hectare = [(A hectares)(108.90 C/hectare) + (B hectares)(113.81 C/hectare) + ... the rest in the same manner]/146,013.35
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