SOLUTION: Alvin paddled for 3 hours with a 5-km/h current to reach a campsite. The return trip against the same current took 8 hours.
Find the speed of the boat in still water.
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Question 924078: Alvin paddled for 3 hours with a 5-km/h current to reach a campsite. The return trip against the same current took 8 hours.
Find the speed of the boat in still water.
What is the speed of the boat in still water? __ km/h
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
D = rt, distance the same to and from campsite
r the speed of the boat in still water
3hr(r + 5kmph) = 8hr(r-5kmph)
55= 5r
11kmph = r, the speed of the boat in still water
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