SOLUTION: WITH THE CURRENT, A SAILBOAT TRAVELS 9 KM IN 3 HRS. HOWEVER IF IT TRAVELS AGAINST THE CURRENT, IT TAKES 3 TIMES TO SAIL THE SAME DISTANCE, HOW FAST IS THE BOAT SAILING ON STILL WAT

Question 162661: WITH THE CURRENT, A SAILBOAT TRAVELS 9 KM IN 3 HRS. HOWEVER IF IT TRAVELS AGAINST THE CURRENT, IT TAKES 3 TIMES TO SAIL THE SAME DISTANCE, HOW FAST IS THE BOAT SAILING ON STILL WATER? HOW FAST DOES THE RIVER FLOW?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
= speed in still water
= speed of current

-------------------
(1)
(2)
Divide both sides of (2) by and add it to (1)
(1)
(2)

km/hr
(1)

km/hr
The speed of the boat in still water is 2 km/hr
The speed of the current is 1 km/hr
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