A saline solution was made by mixing 4 L of a 10% saline solution and 3 L of a 45% saline solution. Find the concentration of the new mixture

Question

A saline solution was made by mixing 4 L of a 10% saline solution and 3 L of a 45% saline solution.  Find the concentration of the new mixture

Paul M. · Accepted Answer

4*.1 + 3*.45=7x where x is the concentration of the mixture.I will leave the arithmetic to you.

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