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4 November, 16:12

Relate observations about thermal expansion for real world situations

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  1. 4 November, 17:06
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    Lucy makes green paint by mixing yellow and blue paint in the ratio 5:2. Blue paint costs

    £30 for 5 litres and yellow paint costs £28 for 7 litres.

    Lucy sells her green paint for £4.50 per litre. Will she make a profit? Show your working

    to justify your decision.
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