Systems of Linear Equations: Three Variables · Exercise 71
The top three oil producers in the United States in a certain year are the Gulf of Mexico, Texas, and Alaska. The three regions were responsible for 64% of the United States oil production. The Gulf of Mexico and Texas combined for 47% of oil production. Texas produced 3% more than Alaska. What percent of United States oil production came from these regions?
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OpenStax, Algebra and Trigonometry 2e · §11.2 Systems of Linear Equations: Three Variables · Exercise 71
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