SOLUTION: A boat is traveling across a river in a straight line from point a to point b. If the boat is traveling at 7 mph and the river is moving at 2 mph. How far down river will the boat

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Question 623914: A boat is traveling across a river in a straight line from point a to point b. If the boat is traveling at 7 mph and the river is moving at 2 mph. How far down river will the boat be from point b?
Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
Call the distance from a to b miles
If there were no current at all, the boat
would cover in hours
-----------
In hours, the current would have moved
the boat downstream
-----------
The boat would be 2/7 of the distance a-b
from b downstream

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