Use the following input-output matrix and the closed model The ratio of coal to steel produced is (Type an integer or a simplified fraction.) to find the ratio of coal to steel produced. Steel Coal 4....

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Extracted text: Use the following input-output matrix and the closed model The ratio of coal to steel produced is (Type an integer or a simplified fraction.) to find the ratio of coal to steel produced. Steel Coal 4. Steel 2 Coal 3 1/3 15