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Cost of $1 \mathrm{~kg}$ of apple is ₹ $80,1 \mathrm{~kg}$ of pineapple is ₹ $35,1 \mathrm{~kg}$ of orange is ₹ $50$ and $1 \mathrm{~kg}$ of sugar in ₹ $25$ .$\newline$Daisy sells $1 \mathrm{~kg}$ mixed fruit jam for ₹ $400$.$\newline$(d) What is the cost of apples and oranges taken together for making $15 \mathrm{~kg}$ of jam?$\newline$Sost of $1 \mathrm{~kg}$ apples - $280$. Apples requireal for makingikg