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Old 02-19-2019, 05:43 PM   #125
DickR
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Quote:
Originally Posted by Rusty View Post
Question:
The speed of a boat in still water is 30 mph. It takes the same time for the boat to travel 5 miles upstream as it does to travel 10 miles downstream. What is the speed of the current.
Shall I post the simple one-equation/one-unknown algebra solution, or should I wait and not ruin the puzzle for others?
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