Question

E 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

Answer:

· In 13 hours, it can go 40 km upstream and 55 km ... Let the speed of boat in still water be x km/hr & let the ..