PLEASE HELP a) What is the scale factor on the map? (1 point)

b) What is the approximate distance from Chicago to New York City? Use a proportional relationship to solve the problem. Show your work. (2 points)

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c) What is the approximate distance from Denver to Chicago? Use a proportional relationship to solve the problem. Show your work. (2 points)

d) You plan to begin your journey in San Jose and make stops in Denver and Chicago on your way to New York City. Your father says that your journey will be about 3,000 miles. Is this a close estimation of the distance? Explain your reasoning. (2 points)