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The mean mass of 11 players in football team is 65.2kg .The mean mass of the team plus a substitute is 65.4kg what is the mass of the substitute

The mean mass of 11 players in football team is 65.2kg .The mean mass of the team plus a substitute is 65.4kg what is the mass of the substitute
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The mean mass of 11 players in football team is 65.2kg .The mean mass of the team plus a substitute is 65.4kg what is the mass of the substitute

The mean mass of 11 players in football team is 65.2kg .The mean mass of the team-example-1
User Dawebber
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so you would start of by doing 65.2(11) to find out what their actual mass is. 65.2x11= 717.2kg
then we would do the same for the team plus the substitute, so 65.4x11= 719.4
so 719.4-717.2= 2.2kg
User Peter McNab
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