Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Question
- The table below shows the calories, fat, and carbohydrates per ounce for three brands of cereal, and the total amount of calories, fat, and carbohydrates required for a special diet.
|
Calories |
Fat |
Carbohydrates |
|
|
Cereal Brand X |
50 |
0 |
22 |
|
|
Cereal Brand Y |
108 |
0.1 |
25.5 |
|
|
Cereal Brand Z |
127 |
5.5 |
18 |
|
|
Total Required |
393 |
5.7 |
91 |
|
|
- Using the information in the table above, write a system of three equations.
- Write a system in matrix form Ax =b.
- Using the Cramer's Rule or Inverse Method, find the amount of each brand of cereal that will give the level of nutrition required.
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