Mathematics, 07.12.2020 05:40 meowmeowcow
How many liters each of a 30% acid solution and a 75% acid solution must be used to produce 90 liters of a 50% acid solution? (Round to two decimal places if necessary.)
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How many liters each of a 30% acid solution and a 75% acid solution must be used to produce 90 liter...
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