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Mathematics, 26.03.2020 21:54 hatl

A knife is 3 times the cost of a spoon. 9 spoons and 12 knives cost £82.80
work out the cost of 1 knife using simultaneous equations

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A knife is 3 times the cost of a spoon. 9 spoons and 12 knives cost £82.80
work out the cost o...

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