SOLUTION: A boat travels 45 mi upstream (against the current) in 5 hours The boat travels same sistance downstream in 3 hours. what is the rate of boat in still water? What is the rate o

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Question 449375: A boat travels 45 mi upstream (against the current) in 5 hours
The boat travels same sistance downstream in 3 hours. what is the rate of boat in still water? What is the rate of the current?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
45/5=9 mph
45/3=15 mph
15+9/2=24/2=12 mph
15-12=12-9=3 mph
The boat in still water goes 12 mph. The current is 3 mph..