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Grade 12 calculus 20. An express railroad train between two cities carries 10,000 passengers per year for a one way fare of $50. If the

Grade 12 calculus

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20. An express railroad train between two cities carries 10,000 passengers per year for a one way fare of $50. If the fare goes up, ridership will decrease because more people will drive. It is estimated that each $10 increase in the fare will result in 1000 fewer passengers per year. What fare will maximize revenue? (6 marks)

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