Question 503345
Investment I	8.00%		per annum	---x			
Investment II	13.00%		per annum	---y			
							
x		+	y=	3900	------------------------1		
8.00%	x	+	13.00%	y	=	$395.00	
Multiply by 		100					
8	x	+	13	y	=	$39,500.00	
							
Multiply (1) by			-8				
we get							
							
-8	x	-8	y	=		-31200.00	
							
Add this to (2)							
							
0	x	+5	y	=		$8,300.00	
							
divide by		5					
							
			y	=		$1,660.00	
Balance			$2,240.00				
CHECK							
$2,240.00	---------	8.00%	-------	$179.20			
$1,660.00	-------	13.00%	-------	$215.80			
Total			-------	$395.00