Question

Example 19 : A boat goes 30 km
upstream and 44 km downstream in
10 hours. In 13 hours, it can go
40 km upstream and 55 km
down-stream. Determine the speed
of the stream and that of the boat in
still water.​

Answer 1

Step-by-step explanation:

Hence, the speed of the boat in still water is 8km/hr and speed of the stream is 3km/hr.