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    Solving Systems of Equations using a Matrix Method

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    A company's employees are working to create a new energy bar. They would like the two key ingredients to be peanut butter and oats, and they want to make sure they have enough carbohydrates and protein in the bar to supply the athlete. They want a total of 22 carbohydrates and 14 grams of protein to make the bar sufficient. Using the following table, create a system of two equations and two unknowns to find how many tablespoons of each ingredient the bar will need. Solve the system of equations using matrices. Show all work to receive full credit.

    Carbohydrates Protein
    Peanut Butter 2 4
    Oats 8 1

    A. Write an equation for the total amount of carbohydrates.
    B. Write an equation for the total amount of protein.
    C. Determine the augmented matrix that represents the previous two equations.
    D. Solve for the previous matrix. Show all work to receive full credit.
    E. How many tablespoons of each will there need to be for the new energy bar?

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    Solution Summary

    A system of equations is subjected to matrix methods .