SOLUTION: Going down the river a boat went 15 mph. Going up the river it only went 1 mph. What is the speed of the current? How fast would the boar go if there were no current?

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: Going down the river a boat went 15 mph. Going up the river it only went 1 mph. What is the speed of the current? How fast would the boar go if there were no current?      Log On


   

Question 966580: Going down the river a boat went 15 mph. Going up the river it only went 1 mph. What is the speed of the current? How fast would the boar go if there were no current?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!


system%28r%2Bc=15%2Cr-c=1%29
which should be enough to find r and c; because this is two equations and two unknowns.