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Mathematics, 09.01.2022 07:40 LuluMathLover101

As a nasal decongestant, doctors sometimes prescribe saline solutions with a concentration between 6% and 20%. In "the old days," pharmacists had to create different mixtures, but only needed to stock these
concentrations, since any percentage in between could be obtained using a mixture. An order comes in for a
15% solution. How many milliliters of the 20% solution must be mixed with 10 mL of the 6% solution to
obtain the desired 15% solution?

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