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Writing Matrix Equation and Solving

Writing Matrix Equation and Solving. Matrix Test: TOMORROW. For each problem, state the matrix equation and use your calculator to solve for each unknown. 1).

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Writing Matrix Equation and Solving

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  1. Writing Matrix Equation and Solving Matrix Test: TOMORROW

  2. For each problem, state the matrix equation and use your calculator to solve for each unknown. 1)

  3. 2) The Arcadium arcade in Lynchburg, Tennessee uses 3 different colored tokens for their game machines.  For $20 you can purchase any of the following mixtures of tokens:  14 gold, 20 silver, and 24 bronze; OR, 20 gold, 15 silver, and 19 bronze; OR, 30 gold, 5 silver, and 13 bronze.  What is the monetary value of each token?

  4. 3) Marina had $24,500 to invest.  She divided the money into three different accounts. At the end of the year, she had made $1,300 in interest.  The annual yield on each of the three accounts was 4%, 5.5%, and 6%.  If the amount of money in the 4% account was four times the amount of money in the 5.5% account, how much had she placed in each account?

  5. 4) When Dale baby-sat for 8 hours and worked at a restaurant for 3 hours, he made a total of $58. When he worked at the restaurant for 5 hours and baby-sat for 2 hours, he made a total of $40. How much does Dale get paid for each type of work?

  6. Answer to #1

  7. Answer to #2

  8. Answer to #3

  9. Answer to #4

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