Question: Find the system of equations to model the problem. Do not solve is system A paper company produces high-grade paper, medium grade and low grade.

Find the system of equations to model the problem. Do not solve is system A paper company produces high-grade paper, medium grade and low grade. The number of tons of each side produced a ton of pulp depends on the source of the pulp. The following table shows three different sources and amount of each grade of paper that can be produced from a ton of pulp from each source. Number of tons High-grade Medium grade Low grade Brazilian pulp 0.6 0.3 0.1 domestic pulp 0.5 0.3 0.2 recycled pulp 0.3 0.4 0.3 The company has received an order for 11 tons of high-grade paper, 15 tons of medium grade paper and 14 tons of low-grade paper. How many tons of pulp each type should be used to comply exactly this order? Establishes a system of linear equations. Let x, y and z are equal to the number of tons of Brazilian pulp, domestic pulp and recycled pulp, respectively, which are needed to comply the order

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