Asked by Kara
A boat takes 1 hour less to go 200 miles downstream than upstream. If the rate of the current is 3 miles per hour, what is the rate of the boat in still water?
Answers
Answered by
Steve
since distance/speed = time,
200/(x+3) = 200/(x-3) - 1
200/(x+3) = 200/(x-3) - 1
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