in the blending model, such as the blending coffee beans into ground coffee example in the textbook, there is often a blending constraint like the following 5x 7y 2z x y z 6 please use two different ways to translate it into a linear constraint and implement each one in the excel file q2 worksheet

Question: in the blending model, such as the blending coffee beans into ground coffee example in the textbook, there is often a blending constraint like the