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Physics, 27.08.2020 18:01 arielgonzalez809

Andy took a bus and then walked from his home to downtown. For the first 16 hour, the bus drove at an average speed of 15
km/h. For the next 0.4 hours, he walked at an average speed
of 4.5 km/h. What was the average speed for the whole
journey?

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