1. Jim wants to plan a meal with 169 grams of carbs and 1330 calories. If green beans have 7 grams of carbs and 30 calories per half cup serving and if french fried shrimp have 9 grams of carbs and 190 calories per three ounce serving how many servings of green beens and shrimp should be used?
2. Solve the system of equations using Gaussian elimination or Gauss-jordan elimination
7x+5y=10
-2x+2y=4
3. Use the Gauss-Jordan method to find A-1 is it exist.
A= [1 4]
[1 -5] NOTE: all in one bracket not two.
4. Find the sum if it exists (write the sum as a common fraction?
10.5+.05+.005+.0005+......
5. A credit company allocates 8-digits accounts such as 1122-3421 where the digit 1 through 9 are used. How many different account numbers can there be?