$$\(73 \mathrm{~kg}\)$$ of potatoes and $$\(2 \mathrm{~kg}\)$$ of apples cost a total of $$\(£ 7.33\)$$ $$\(4 \mathrm{~kg}\)$$ of potatoes cost $$\(£ 3.80\)$$ Work out the cost of $$\(1 \mathrm{~kg}\)$$ of apples. $$\(£\)$$.

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