Mathematics, 07.07.2021 01:00 amandabarriksofficia
62. A chemist mixes 15 liters of 40 percent acid solution and 25 liters of 20 percent acid solution. What percent of the mixture is acid?
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62. A chemist mixes 15 liters of 40 percent acid solution and 25 liters of 20 percent acid solution....
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