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Mathematics, 25.02.2021 20:10 shelly1969

Joy is preparing 19 liters of a 15% saline solution. She only has 20% and 10% solution in her lab. How many liters of the 20% and how many liters of the 10% should she mix to make the 15% solution?

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Joy is preparing 19 liters of a 15% saline solution. She only has 20% and 10% solution in her lab. H...
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