Question: (a). Given the following linear programming model. Minimise Z=6x1+8x2 subject to x1+x2x1600x2500400200 and x10,x20 Determine the (i). optimal solution using the graphical method. (8 marks)

(a). Given the following linear programming

(a). Given the following linear programming model. Minimise Z=6x1+8x2 subject to x1+x2x1600x2500400200 and x10,x20 Determine the (i). optimal solution using the graphical method. (8 marks) (ii). constraints that are binding, non-binding and redundant. (6 marks) (b). Given is the initial simplex tableau of a linear programming model. Determine the (i). standard form and hence the original LP model. (4 marks) (ii). optimal solution using the Simplex Method and the given initial simplex tableau. (8 marks) (iii). unit value of each resource. (4 marks)

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