Mathematics, 17.12.2021 08:50 miriamnelson7545
A chemist is mixing a 30% salt solution with a 15% salt solution to make 30 L of a new solution that will contain 20% salt. How much of each of the original solutions should the chemist use?
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A chemist is mixing a 30% salt solution with a 15% salt solution to make 30 L of a new solution that...
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