The speed of a boat in downstream is 22 km/h and the speed of the current is 2 km/h. Find the speed of boat in upstream.
1
13 km/h
2
14 km/h
3
21 km/h
4
18 km/h
The speed of a boat in downstream is 22 km/h and the speed of the current is 2 km/h. Find the speed of boat in upstream.