Question

a boat goes 36 km downstream in 4 hours and 30 km upstream in 5 hours find (1) the speed of the boat in still water (2) speed of the current​

Answer 1

Answer:

here's your answer dear

Step-by-step explanation:

Speed of boat downstream = 636= 6 km/hr

Speed of boat upstream = 840=5 km/hr

∴ Speed of boat in still water = 21(6+5) km/hr

                                        = 5.5 km/hr