SOLUTION: A boat travels 36 miles with current in 2 hours and 42 miles agents the current in 3 hours find the speed of boat in still water
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Question 1104699:  A boat travels 36 miles with current in 2 hours and 42 miles agents the current in 3 hours find the speed of boat in still water 
Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
 Let  = the rate of the current in mi/hr
Let  = the speed of the boat in still water
------------------------------------------
Traveling with the current:
(1) 
Traveling against the current:
(2) 
------------------------------
(1) 
(1) 
and
(2) 
(2) 
--------------------------
Add (1) and (2)
The speed of the boat in still water is 16 mi/hr
---------------------------
check:
(1) 
(1) 
(1) 
and
(2) 
(2) 
(2) 
OK 
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