Question 508311
Investment II	7.00%		per annum	---x				
Investment II	9.00%		per annum	---y				
								
x		+	y=	10000	------------------------1			
7.00%x	+9.00%y	=	$732.00		
Multiply by 		100						
7x+9y	=	$73,200.00		--------2
								
Multiply (1) by			-7					
we get								
								
-7	x	-7	y	=		-70000.00		
								
Add this to (2)								
								
0	x	2	y	=		$3,200.00		
								
divide by		2						
								
			y	=		$1,600.00		investment at 
Balance			$8,400.00					investment at 
CHECK								
$8,400.00	---------	7.00%	-------	$588.00				
$1,600.00	-------	9.00%	-------	$144.00				
Total			-------	$732.00