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Question: To drive to Chicago, a distance of about 150 km in 2 hours, you must average a speed of 75 km/hr. However, due to traffic leaving Milwaukee, you can only average a speed of 40 km/hr for the first half-hour.
Part A: How fast must you drive to keep an average speed of 75 km/hr?
Please show all work and equations. Defend your answer.
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