(PLEASE HELP! WILL GIVE BRAINLIEST)
At 9am Ava sets out for a walk from a mobile phone tower. Benito sets out at the same time from a second tower to the east as shown. At 10:20am Benito has walked 2.5km due south when he receives a call from Ava who has twisted her ankle. Ava says that she can see Tower 1 in the direction N20°E and Tower 2 directly NE.
(a) In what direction (to the nearest degree) will Benito have to walk to reach Ava?
(b) At what time should Ava expect to see Benito assuming:
i. Benito walks at the same pace as before.
ii. Benito walks at Ava's pace.