SOLUTION: A boat travels 60 km upstream, (against the current) in 5 hours. The boat travels the same distance downstream in 3 hours. What is the rate of the boat in still water?

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: A boat travels 60 km upstream, (against the current) in 5 hours. The boat travels the same distance downstream in 3 hours. What is the rate of the boat in still water?       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 218395: A boat travels 60 km upstream, (against the current) in 5 hours. The boat travels the same distance downstream in 3 hours. What is the rate of the boat in still water?


Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
D=RT OR D/T=R
60/5=12 KPH.
60/3=20 KPH.
(20-12)/2=8/2=4 KPH IS THE SPEED OF THE CURRENT.
PROOF:
20-4=16 KPH FOR THE BOAT IN STILL WATER.
12+4=16 DITTO.