Mathematics, 16.01.2021 16:20 kndaniels05
Suppose a lab need to need to make 400 liters of 39% acid solution, but the only solutions available to the lab are 20% acid and 50% acid. What system of equation can be used to find the number of liters of each solution the should be mixed to make the 39% solution? Let c represent the number of liters of 20% acid solution and let d represent the number of liters of 50% acid solution.
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Suppose a lab need to need to make 400 liters of 39% acid solution, but the only solutions available...
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