Dr. Bhatia mixes 2 liters of a 5% saline solution with x liters of a 9% saline solution. The table shows the amount of each solution used. A table titled Saline Solution, showing Amount in liters, Concentration, and Total. The first row shows, 5 percent Saline, with 2, 0.05, and 0.1. The second row shows 9 percent Saline, with x, 0.09, and 0.09 x. The third row shows, Mixture, with 2 plus x, 0.08, and 0.64.

What is the value of x?

3
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5