Question 683584
6.75% on 20,000 = 1350  total interest earned.


Part I	6.00%		per annum	-------------	Amount invested =x	
Part II	7.00%		per annum	------------	Amount invested = y	
	20000					
Interest-----	1350					
						
Part I	6.00%		per annum	---x		
Part II	7.00%		per annum	---y		
Total investment						
x	+	1	y=	20000	-------------1	
Interest on both investments						
6.00%	x	+	7.00%	y=	1350	
Multiply by		100				
6	x	+	7	y=	135000.00	--------2
Multiply (1) by			-6			
we get						
-6	x	-6	y=	-120000.00		
Add this to (2)						
0	x	1	y=	15000		
divide by		1				
			y	=	15000	
Part I	6.00%	$	5000			
Part II	7.00%	$	15000			
						
CHECK						
5000	---------	6.00%	-------	300.00		
15000	-------------	7.00%	-------	1050.00		
Total			--------------------	1350.00		
						
m.ananth@hotmail.ca