Asked by Amanda
What’s the answer? Alvin paddled for 4 hours with a 5-km/h current to reach a campsite. the return trip against the same current took 9 hours. find the speed of the boat in still water?
Answers
Answered by
oobleck
since distance = speed * time,
4(x+5) = 9(x-5)
now solve for x
4(x+5) = 9(x-5)
now solve for x
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