Question 405986
TOTAL INVESTMENT GIVEN. FIND INDIVIDUAL AMOUNT							
7.50%		per annum	-------------	x
8.50%		per annum	------------	y
total investment $7003			
Interest-----	$582.33			


..
x+y= 7003	------------------------1				
7.50%x	+8.50%y	=$582.33			
Multiply by 100							
7.5x+8.5y=$58,233.00--------2	
									
Multiply (1) by	-7.5						
we get									
									
-7.5x-7.5y=-52522.5			
									
Add this to (2)									
									
0+1y=$5,710.50			
									
							
									
y=$5,710.50	investment at 	8.50%
Balance	$1,292.50investment at 	7.50%


m.ananth@hotmail.ca