The cost of living index uses the following weights: Food; 40, Rent: 15. Clothing: 20, Fuel: 10, Miscellaneous: 15 During the period 1991-2001, the cost of living index raised from 100 to 205.72. Over the same period the percentage rise in prices were; Rent-60, Clothing-180, Fuel-75, Miscellaneous-165. What was the percentage change in the price of food?

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