Question 549911
Investment I	5.00%		per annum						
Investment II	9.00%		per annum						
									
x		+	y	10000	------------------------1				
5.00%	x	+	9.00%	y	=	$700.00			
Multiply by 		100							
5	x	+	9	y	=	$70,000.00		--------2	
									
Multiply (1) by			-5						
we get									
									
-5	x	-5	y	=		-50000.00			
									
Add this to (2)									
									
0	x	4	y	=		$20,000.00			
									
divide by		4							
									
			y	=		$5,000.00		investment at 	9.00%
Balance			$5,000.00					investment at 	5.00%
CHECK									
$5,000.00			$250.00						
$5,000.00			$450.00						
Total			$700.00