a) Sethoga Concrete Company produces concrete. Two ingredients in concrete are sand (costs R6 per kilogram) and gravel (costs R8 per kilogram). Sand and gravel together must make up exactly 75% of the weight of the concrete. Also, no more than 40% of the concrete can be sand and at least 30% of the concrete must be gravel. Each day, 2,000 kilograms of concrete are produced. Sethoga Concrete Company aims to minimize the cost of production of concrete. Formulate the problem as an Linear Programming (LP) problem.

Algebra & Trigonometry with Analytic Geometry
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ISBN:9781133382119
Author:Swokowski
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Chapter9: Systems Of Equations And Inequalities
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a) Sethoga Concrete Company produces concrete. Two ingredients in concrete are sand (costs
R6 per kilogram) and gravel (costs R8 per kilogram). Sand and gravel together must make up
exactly 75% of the weight of the concrete. Also, no more than 40% of the concrete can be
sand and at least 30% of the concrete must be gravel. Each day, 2,000 kilograms of concrete
are produced. Sethoga Concrete Company aims to minimize the cost of production of
concrete. Formulate the problem as an Linear Programming (LP) problem.
Transcribed Image Text:a) Sethoga Concrete Company produces concrete. Two ingredients in concrete are sand (costs R6 per kilogram) and gravel (costs R8 per kilogram). Sand and gravel together must make up exactly 75% of the weight of the concrete. Also, no more than 40% of the concrete can be sand and at least 30% of the concrete must be gravel. Each day, 2,000 kilograms of concrete are produced. Sethoga Concrete Company aims to minimize the cost of production of concrete. Formulate the problem as an Linear Programming (LP) problem.
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