Question 560545
Full price			x	numbers				
student tickets			y	numbers				
								
x+y=3150	.............1	
56.5x+49.5y=157647	.............2	
Eliminate y								
multiply (1)by 		-49.5						
Multiply (2) by		1						
-49.5x-49.5y=-155925		
56.5x+	49.5y=	157647		
Add the two equations								
7x=1722		
/	7							
x=246    			
plug value of x	in (1)				
x+y=3150		
246+y=3150		
y=3150-246
y=2904		
Full price			246    	numbers				
student tickets			2904    numbers				
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