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Mathematics, 14.09.2019 11:30 culbertchristi4887
Ascientist wants a 90 ounce acid solution with a concentration of 12%. she has concentrations of 8% and 18%. how much of each solution must she use to get the desired concentration?
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Ascientist wants a 90 ounce acid solution with a concentration of 12%. she has concentrations of 8%...
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