Question 771602
Part I	4.00%		per annum	-------------	Amount invested =x		
Part II	6.00%		per annum	------------	Amount invested = y		=
	9000						
Interest-----	383						
							
Part I	4.00%		per annum	---x			
Part II	6.00%		per annum	---y			
Total investment							
x	+	1	y=	9000	-------------1		
Interest on both investments							
4.00%	x	+	6.00%	y=	383		
Multiply by		100					
4	x	+	6	y=	38300.00	--------2	
Multiply (1) by			-4				
we get							
-4	x	-4	y=	-36000.00			
Add this to (2)							
0	x	2	y=	2300			
divide by		2					
			y	=	1150		
Part I	4.00%	$	7850				
Part II	6.00%	$	1150				
							
CHECK							
7850	---------	4.00%	-------	314.00			
1150	-------------	6.00%	-------	69.00			
Total			--------------------	383.00			
							
m.ananth@hotmail.ca