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22 December, 15:51

If the mean weight of 4 backfield members on the football team is 230 lb and the mean weight of the 7 other players is 199 lb, what is the mean weight of the 11 -person team?

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  1. 22 December, 16:25
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    About 210lbs

    Multiply the 230 by 4 to get 920

    (230 average times 4 players)

    Multiply 199 by 7 to get 1393

    (199 average by 7 players)

    Add the 920 and 1393 to get 2313

    (Total weight of all players)

    Divide the 2313 by 11

    (Finding average)

    210.27 is the answer
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