SOLUTION: A river flows at f mph. How far does a boat travel in x hrs if its speed in still water would have been y mph?

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Question 979633: A river flows at f mph. How far does a boat travel in x hrs if its speed in still water would have been y mph?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
A river flows at f mph.
How far does a boat travel in x hrs if its speed in still water would have been y mph?
:
That depends on whether you are sailing upstream or downstream
:
Dist = time * effective speed
:
x(y-f) upstream
or
x(y+f) downstream