Math Problem Statement
Working with chemists at Virginia Tech and GeorgeWashington Universities, landscape contractorKenneth Golding blended his own fertilizer, called“Golding-Grow.” It consists of four chemical com-pounds: C-30, C-92, D-21, and E-11. The cost perpound for each compound is indicated as follows:CHEMICAL COMPOUND COST PER POUND ($)C-30 0.12C-92 0.09D-21 0.11E-11 0.04The specifications for Golding-Grow are as follows:(1) E-11 must constitute at least 15% of the blend; (2)C-92 and C-30 must together constitute at least 45%of the blend; (3) D-21 and C-92 can together consti-tute no more than 30% of the blend; and (4) Golding-Grow is packaged and sold in 50-pound bag
Solution
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Math Problem Analysis
Mathematical Concepts
Linear Programming
Optimization
Inequalities
Formulas
Total cost = 0.12x1 + 0.09x2 + 0.11x3 + 0.04x4
x1 + x2 + x3 + x4 = 50
x4 >= 7.5
x1 + x2 >= 22.5
x3 + x2 <= 15
x1, x2, x3, x4 >= 0
Theorems
Simplex Algorithm
Suitable Grade Level
University-level (Optimization and Linear Programming)
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