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Mathematics, 20.09.2020 09:01 kassandrarosario1115
How many liters each of a 30% acid solution and a 50 % acid solution must be used to produce 70 liters of a 40 % acid solution? (Round to two decimal places if necessary.)
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How many liters each of a 30% acid solution and a 50 % acid solution must be used to produce 70 lite...
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