SOLUTION: the excursion boat Holiday travels 35km upstream and then back again in 4h 48 min. If the speed of the Holiday in still water is 15 km/h, what is the speed of the current?

Question 26767: the excursion boat Holiday travels 35km upstream and then back again in 4h 48 min. If the speed of the Holiday in still water is 15 km/h, what is the speed of the current?
Answer by Paul(988) (Show Source): You can put this solution on YOUR website!
4 h and 48 minutes = 4.8hours

35[(x+15)+(15-x)=4.8[{x+15)(15-x)]

x=2.5

Hence, the speed of the current is 2.5km/h.
Paul.
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