i need the solution of this problem please urgently

Module 2: Exemglam Level {2 marks) 8) A swimmer wants to end up at a dock due north of her starting point on the south side. In still water her maximum speed is 1.25 m/s. The river has a current owing 0.55 m/s [E]. dock current 300 m h starting point a. Calculate the direction that she must aim herself through the water to arrive at the dock. b. What time will it take her to cross the 300 m wide river