An airplane will fly from Mactan, Cebu (10 degrees 18 minutes North, 123 degrees 58 minutes East) to Wellington, New Zealand (41 degrees 19 minutes South, 174 degrees 48 minutes East) following a great circle path with an average speed of 800 kph. At what longitude will it cross the equator? What course should it leave Mactan? How long will it travel in hours?

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