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Mathematics, 27.01.2020 09:31 bdjxoanbcisnkz

Sarah, amy and liam stand on some weighing scales two at a time.
here are the measurements:
sarah and amy
sarah and liam
liam and amy
70kg
80kg
80kg
how much does liam weigh?

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Answers: 1

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Sarah, amy and liam stand on some weighing scales two at a time.
here are the measurements:

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