Question 615051
x		Adult memberships						
y		Child memberships 						
Total	memberships							
1	x	+	1	y	=	50	.............1	
Cost of total memberships								
10	x	+	5	y	=	400	.............2	
Eliminate	y							
multiply (1)by		-5						
Multiply (2) by		1						
-5	x		-5	y	=	-250		
10	x	+	5	y	=	400		
Add the two equations								
5	x				=	150		
/	5							
x	=	30.00						
plug value of			x	in (1)				
1	x	+	1	y	=	50		
30		+		y	=	50		
				y	=	50		-30
				y	=	20		
				y	=	20.00		
30		Adult memberships				
20		Child memberships 				
m.ananth@hotmail.ca