Jul 24, 2008 #1 R RQ300 New member Jul 24, 2008 1 0 1 ...downstream.? What are the 2 linear equations, what is the speed of the boat in still water and what is the speed of the current.
...downstream.? What are the 2 linear equations, what is the speed of the boat in still water and what is the speed of the current.
Jul 24, 2008 #3 E EngiNerd New member Jul 24, 2008 7 0 1 X = boat speed Y = river speed X-Y = 24/3 X+Y = 36/3 from first equation X = 8+Y substitute into the second equation 8+Y+Y = 12 solve Y = 2 X = 10
X = boat speed Y = river speed X-Y = 24/3 X+Y = 36/3 from first equation X = 8+Y substitute into the second equation 8+Y+Y = 12 solve Y = 2 X = 10