Question 695724
canoe speed	speed	=x	mph						
current     	speed	=y	mph						
against 	current     	3	hours						
with 	current     	2	hours						
									
Distance with	current     	6	miles		distance against	current     	6		
t=d/r	against	current     	(x-y)						
6.00	/	(	x	-	y	)=	3.00		
									
3.00	x	-	-3.00	y	=	6.00	....................1		
with	current     	(x+y)							
6.00	/	(	x	+	y	)=	2.00		
2.00	(	x	+	y	)	=	6.00		
2.00	x	+	2.00	y	=	6.00	...............2		
Multiply (1) by	2.00								
Multiply (2) by	3.00								
we get									
6.00	x	+	-6.00	y	=	12.00			
6.00	x	+	6.00	y	=	18.00			
12.00	x	=	30.00						
/	12.00								
x	=	2.5	mph						
									
plug value of x in (1)				y					
3	x		-3	y	=	6			
7.5			-3	-7.5	=	6			
-3	y	=	6						
-3	y	=	-1.5	mph					
	y	=	0.5						
canoe speed	2.5	mph							
current     	0.5	mph