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Mathematics, 13.01.2021 20:50 chocroc50

- Lynn has two cats, Polly and Barney. Lynn knows that Polly has a mass of 3 kg.
She estimates that Barney's mass is 3 times Polly's mass.
Work out an estimate of Barney's mass.

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- Lynn has two cats, Polly and Barney. Lynn knows that Polly has a mass of 3 kg.
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