4 red bricks have a mean weight of 5 kg.
5 blue bricks have a mean weight of 9 kg.
1 green br...
Mathematics, 01.03.2021 14:20 sophiaa23
4 red bricks have a mean weight of 5 kg.
5 blue bricks have a mean weight of 9 kg.
1 green brick has a weight of 6 kg.
Donna says,
“The mean weight of the 10 bricks is less than 7 kg.”
Is Donna correct?
You must show how you get your answer.
Answers: 1
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