SOLUTION: The Scouts can raft 15 mi downstream from one camp to another in 3 hr, but it takes 5 hr to paddle back to their camp upstream. What is the scouts' paddling rate in still water? Wh

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: The Scouts can raft 15 mi downstream from one camp to another in 3 hr, but it takes 5 hr to paddle back to their camp upstream. What is the scouts' paddling rate in still water? Wh      Log On


   

Question 1008016: The Scouts can raft 15 mi downstream from one camp to another in 3 hr, but it takes 5 hr to paddle back to their camp upstream. What is the scouts' paddling rate in still water? What is the rate of the current in the stream.
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
r, water when no current
c, current rate
             rate        time       distance
DOWN         r+c          3          15
UPST         r-c          5          15

Motion or Travel Rule, RT=D.
DO IT!