A plane, whose speed in still air is 420 km h–1, travels directly from A to

[Hema]

B, a distance of 1000 km. The bear? A plane, whose speed in still air is 420 km h–1, travels directly from A to B, a distance of
1000 km. The bearing of B from A is 230° and there is a wind of 80 km h–1 from the east.
(i) Find the bearing on which the plane was steered.
(ii) Find the time taken for the journey.