A biker
A biker traveled from city A to city B via city C with a uniform speed of 52 km/h. He then returned directly to city A with a uniform speed of 89 km/h. Find, in minutes, the total time of his whole journey to two decimal places.
City distance A from B is 50 km, B from C is 40 km, and C from A is 30 km.
City distance A from B is 50 km, B from C is 40 km, and C from A is 30 km.
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