1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12.

Question

Robert · Accepted Answer

1.  
 
solution 
(4,5)
2.  
 
No solution
3.  
 
 
Solution: 
(8+6t)/5, t
4.
Solution: 
-3
5.  
 
 
0.05x +0.08y=130 
X+y=2000
6.  
 
 
Solution:
 
 
7.  
 
Solution:
 
 
8.  
 
 
Solution: 
 

9.  
 
 
Solution: 
At 6%: 1200 
At 8%: 2000
10.

1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12.

Solution

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