Mathematics, 08.10.2019 20:00, carterkanye468
15 points: a motorboat traveling downstream covers the distance between port m and port n in 6 hours. once, the motorboat stopped 40 km before reaching n, turned around, and returned to m. this took the motorboat 9 hours. find the speed of the motorboat in still water if the speed of the current is 2 km/hour.
Answers: 2
15 points: a motorboat traveling downstream covers the distance between port m and port n in 6 hour...