SOLUTION: The speed of a boat in still water is 15 mi/hr. If the boat travels 8 miles downstream in the same time it takes it to travel 4 miles upstream, what is the speed of the current?

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Question 359894: The speed of a boat in still water is 15 mi/hr. If the boat travels 8 miles downstream in the same time it takes it to travel 4 miles upstream, what is the speed of the current?
Answer by nyc_function(2741) About Me  (Show Source):
You can put this solution on YOUR website!
Solve the following equation to find your answer.
8/(x + 15) = 4/(x - 15)