Question 779543
yield 7%

7% on 10,000=700

Part I	2.00%		per annum	-------------	Amount invested =x		
Part II	10.00%		per annum	------------	Amount invested = y		
	10000						
Interest-----	700.00						
							
Part I	2.00%		per annum	---x			
Part II	10.00%		per annum	---y			
Total investment							
x	+	1	y=	10000	-------------1		
Interest on both investments							
2.00%	x	+	10.00%	y=	700		
Multiply by		100					
2	x	+	10	y=	70000.00	--------2	
Multiply (1) by			-2				
we get							
-2	x	-2	y=	-20000.00			
Add this to (2)							
0	x	8	y=	50000			
divide by		8					
			y	=	6250	 -	x)
Part I	2.00%	$	3750				
Part II	10.00%	$	6250				
							
CHECK							
3750	---------	2.00%	-------	75.00			
6250	-------------	10.00%	-------	625.00			
Total			--------------------	700.00			
							
m.ananth@hotmail.ca