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    Minimize cost of 250 ml salt solution from three stock solutions

    Are any derivatives needed at all? Or is it just using systems of equations to slove for one of the variables and then using that to solve for the others?
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    Minimize cost of 250 ml salt solution from three stock solutions

    Homework Statement You are a lab technician and must create 250 ml of a 17% solution. You have availible three stock solutions. You have a one liter container of a 5% salt, a 500 l contained of a 28% salt solution, and a 400 ml container of a 40% salt solution. Show the work necessary to...
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