Gina Kerr must travel on the Via Rail from Kingston to Winnipeg. The distance is 1,500 miles. A traveler can choose to make any fraction of the journey in a first-class carriage and travel the rest of the way in a second-class carriage. The price is 10 cents a mile for a second-class carriage and 20 cents a mile for a first-class carriage. Gina much prefers first-class to second-class travel. She plans to spend her entire $200 on her tickets. She will travel first class as much as she can afford to, but she must get all the way to Winnipeg, and $200 is not enough money to get her all the way to Winnipeg in first class

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