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Mathematics, 09.12.2020 23:30 irmaespinoza76ie

Rachel travelled 240 km in 4 hours by train and then travelled 120 km in 3 hours by car. What is the average speed during the whole
journey?
A. 60.9 km/hr
B. 55 km/hr
C. 51.42 km/hr
D. 78 km/hr

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