A refinery blends four petroleum components into three grades of gasoline - regular, premium and low lead....
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a. The model can be generalised using a number of equations.
Let xiR, xiP, xiL be the % of component i in the Regular, Premium and Low-lead products. These are calculated values and not variables.
Let yiR, yiP, yiL be the % of component i used for mixing in the Regular, ...
The solution provides detailed explanations and instructions for solving the optimisation problem of oil production. It also includes the Solver instructions in Excel.