3 A pirate makes money by charging a fixed fee per day plus a percentage of the spoils. She made 2000 gold coins on a day when the spoil was worth 25000 gold coins. On the day the spoil was 30000 gold coins she made 2200 gold coins. a. Use a system of linear equations to express the data. b. How much is her fixed fee? c. What was the spoil on the day that she made 3000 gold coins?

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