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Mathematics, 17.09.2021 18:40 grey00

The mean mass of five boys is 10.5 kg. The mean mass of three girls is 9.5 kg. Work out the mean mass of the eight young children young children. ​

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The mean mass of five boys is 10.5 kg. The mean mass of three girls is 9.5 kg. Work out the mean mas...
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