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Mathematics, 13.08.2019 05:20 katherine3084

The mean mass of the 11 players in a football team is 80.3kg. a new player joins the team and the mean goes up to 81.2kg. find the mass of the new player.

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The mean mass of the 11 players in a football team is 80.3kg. a new player joins the team and the me...
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