SOLUTION: A Mississippi riverboat can travel 70 kilometers downstream in 5 hours and can make the return trip in 7 hours. Find the speed of the boat in still water.

Question 689006: A Mississippi riverboat can travel 70 kilometers downstream in 5 hours and can make the return trip in 7 hours. Find the speed of the boat in still water.

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the speed of the boat in still water
Let = the speed of the current
given:
(1)
(2)
------------------
Add the equations
(1)
(2)

The speed of the boat in still water is 12 km/hr

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