<PRE><B>Question 593533</B>
traveling downstream the boat went 12 mph, upstream it went 2 mph what is the speed of the boat and current
**
let x=speed of boat in still water
let c=speed of current
net speed of boat downstream=x+c
net speed of boat upstream=x-c
..
x+c=12
x-c=2
add
2x=14
x=7
c=x-2=5
..
ans:
speed of boat in still water=7mph
speed of current=5 mph
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