SOLUTION: Kellen​'s boat travels 20 mph. Find the rate of the river current if she can travel 6 mi upstream in the same amount of time she can go 10 mi downstream.​ (Let x=the ra
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Question 1093171: Kellen's boat travels 20 mph. Find the rate of the river current if she can travel 6 mi upstream in the same amount of time she can go 10 mi downstream. (Let x=the rate of the current.) The rate of the river current is what?
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
If x is the rate of the current, then:
6/20-x=10/20+x (being inversely proportional)
200-10x=120+6x
80=16x
x=5
The current is 5 mph. ☺☺☺☺
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