SOLUTION: Zene decides to canoe 4 miles upstream on a river to a waterfall and then canoe back. The total trip​ (excluding the time spent at the​ waterfall) takes 8 hours. Zene k

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Question 1089240: Zene decides to canoe 4 miles upstream on a river to a waterfall and then canoe back. The total trip​ (excluding the time spent at the​ waterfall) takes 8 hours. Zene knows she can canoe at an average speed of 5 miles per hour in still water. What is the speed of the​ current?
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39620)   (Show Source): You can put this solution on YOUR website!
               SPEED         TIME        DISTANCE
UP             5-c           4/(5-c)    4
BACK           5+c           4/(5+c)    4
Total                         8




Answer by MathTherapy(10552)   (Show Source): You can put this solution on YOUR website!
Zene decides to canoe 4 miles upstream on a river to a waterfall and then canoe back. The total trip​ (excluding the time spent at the​ waterfall) takes 8 hours. Zene knows she can canoe at an average speed of 5 miles per hour in still water. What is the speed of the​ current?
Correct answer: 

****WARNING: Keep away from the other person's ATTEMPT at this problem! 

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