| Answers to HW |
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[Back] |
pg 394-95 #1-4,13-24,40-42; pg 373 #21-24
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1. |
Many solutions |
21. |
(-1, -2) |
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2. |
(2, 5) |
22. |
No solution |
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3. |
(-3, -1) |
23. |
(2, -3) |
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4. |
No solution |
24. |
Many solutions |
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13. |
(20, 6) |
40. |
(4, 3) (6,0) (1,0) |
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14. |
(5, -4) |
41. |
7 1/2 |
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15. |
Many solutions |
42. |
5 lb of 2-penny |
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16. |
(-1, -1) |
pg 373 |
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17. |
No solution |
21. |
$5,000 at 4%;$3,000 at 5% |
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18. |
(1/2, 3) |
22. |
2 at $2, 3 at $3 |
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19. |
(0, 5) |
23. |
40 3-pt, 6 5-pt |
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20. |
(3, -5) |
24. |
20 11-in. 60
12-in. |