SOLUTION: If a boat goes downstream 72 miles in 3 hours and upstream 60 miles in 6 hours, the rate of the river and the rate of the boat in still water respectively are?

SOLUTION: If a boat goes downstream 72 miles in 3 hours and upstream 60 miles in 6 hours, the rate of the river and the rate of the boat in still water respectively are?

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Question 425479: If a boat goes downstream 72 miles in 3 hours and upstream 60 miles in 6 hours, the rate of the river and the rate of the boat in still water respectively are?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
72/3 = 24 mph
60/6 = 10 mph
The boat's speed is the average = (24+10)/2 = 17 mph
The current is the difference = 24-17 = 7 mph

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