Question 524025
Adult 	x	price/ticket	,	
Child	y	price/ticket	,			
						
5	x	+	7	y	=	154	.............1	
7	x	+	4	y	=	146	.............2	
Eliminate y								
multiply (1)by 		-4						
Multiply (2) by		7						
-20	x		-28	y	=	-616		
49	x		28	y	=	1022		
Add the two equations								
29	x				=	406		
/	29							
x	=	14.00						
plug value of 			x	in (1)				
5	x	+	7	y	=	154		
70		+	7	y	=	154		
			7	y	=	154		-70
			7	y	=	84		
				y	=	12.00		
Adult 	$14.00	price/ticket						
Child	$12.00	price/ticket