SOLUTION: A person is kayaking on a river. His overall speed is 3.1 ​mile(s) per hour against the current and 7.7 ​mile(s) per hour with the current. Find the speed of the current an

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Question 1206050: A person is kayaking on a river. His overall speed is 3.1 ​mile(s) per hour against the current and 7.7 ​mile(s) per hour with the current.
Find the speed of the current and the speed the person can paddle in still water.

Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!
If choose c for the speed of the current and r for person's kayak speed in absence of the current then:


That system is perfectly ready for using Elimination Method to find r and c.

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