QUESTION THREE
A poultry farmer in Lufyanyama has obtained a loan from the Bank to boost his poultry
business. He provides you with data to help him optimize the sales. The data is that Old
hens can be bought for K2 each but young one cost K5 each. The old hens lay 3 eggs
per week and young ones 5 eggs per week, each egg being worth 30ngwee. A hen cost
K1 per week to feed. If a person has only K80 to spend on hens, how many of each kind
should he buy to get a profit of more than K6 per week assuming that he can’t house
more than 20 hens?
a)Formulate the problem as a linear programming model [8 Marks]
b)Using the graphical method procedure, how many hens should he buy of each kind to
maximize the profit per week? [10 Marks]
c) Determine the ranges of optimality for the objective function coefficients
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