Speed in still water 9km
Speed of the current 1 km
Answer:
Step-by-step explanation:
Speed of the current C
Speed of the still water S
Speed with the current speed of the still water ₊ speed of the current
S ₊ C
Speed with the current S ₊ C 10km
Speed against the current speed of the still water ₋speed of the current
S ₋ C
Speed against the current S ₋ C 8km
Speed in still water Speed with the current ₊ Speed against the current÷ 2
10 ₊ 8 ÷ 2
18 ÷ 2
Speed of the current Speed with the current ₋ Speed against the current ÷ 2
10 ₋ 8 ÷ 2
2 ÷ 2
Is it the subset of 1, or other numbers.
please be more specific with the question so I can actually answer please, I would try to help but I don't know the question. If you update it It would be more helpful.