4 red bricks have a mean weight of 5kg
5 blue bricks have a mean weight of 9kg
1 green...
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Mathematics, 18.03.2021 01:50 ChocCole
4 red bricks have a mean weight of 5kg
5 blue bricks have a mean weight of 9kg
1 green brick has a weight of 6kg
Donna says, "The mean weight of the ten bricks is less then 7kg"
Is donna correct?
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Answers: 2
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