So to answer the question: "A pharmacist needs to prepare a 25% Dextrose solution from a 50% solution, a 15% solution and a 5% solution. How much of each solution should be used to prepare 560 ml of the 25% solution?"
Remember: You are " preparing" on paper TWO 25% solutions: the first solution is made using the 50% and 15% solutions, the second is made using the 50% and the 5% solution. The two 25% solutions are then mixed together.
Fill in the given information. (The procedure is shown only for the first pairing.)
Find the parts of each solution needed.
Find the total number of parts of each solution needed.
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