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Mathematics, 21.03.2021 19:40 Tanija1995
15. A passenger train left San Diego and went to San Francisco and back. The trip to San Francisco
took three hours, but the return trip took four hours. If the train averaged six kilometers per hour
on the trip back to San Diego, find the average speed of the train during the outbound trip.
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15. A passenger train left San Diego and went to San Francisco and back. The trip to San Francisco...
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