Upstream 45km/ 9 hrs downstream 72 km/ 9 hrs. Downstream speed 8km/hr. Upstream 5 km/hr Speed in still water = (8+5)/2=6.5 km/hr 8-6.5 or 6.5-5 =1.5 km/hr is the speed of current. Reply
Explanation: 72 โ 9 ? โ- 1 => Down Stream = 8 45 โ- 9 ? โ- 1 => Up Stream = 5 Speed od current S = ? S = (8 โ 5)/2 = 1.5 kmph. Reply
Upstream 45km/ 9 hrs downstream 72 km/ 9 hrs.
Downstream speed 8km/hr. Upstream 5 km/hr
Speed in still water = (8+5)/2=6.5 km/hr
8-6.5 or 6.5-5 =1.5 km/hr is the speed of current.
Explanation:
72 โ 9
? โ- 1
=> Down Stream = 8
45 โ- 9
? โ- 1
=> Up Stream = 5
Speed od current S = ?
S = (8 โ 5)/2 = 1.5 kmph.