(c) Determine the combined output from all three facilities over a 3-week period. PE metric tons PVC metric tons PS metric tons (d) Determine the number of days of production from each facility required to produce 180 metric tons of polyethylene, 300 metric tons of polyvinyl chloride and 280 metric tons of polystyrene. facility A days facility B days facility C days

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Matrices

‘Matrices’ is the plural form of the word matrix, and it is basically a spreadsheet in the form of a box. In mathematics, various functions can be carried out with matrices. Generally, a matrix comes in the shape of a square or rectangle. The elements are distributed horizontally in the form of rows, and vertically in the form of columns.