Posted by **Alyonka** on Tuesday, February 12, 2013 at 3:16pm.

A 12% solution and a 24% solution are to be mixed to create 80 mL of a 16% solution. How much of each should be used?

- Math -
**Steve**, Tuesday, February 12, 2013 at 3:32pm
If you have x mL of 12%, then you also have 80-x of 24%.

.12x + .24(80-x) = .16(80)

- Math -
**Alyonka**, Tuesday, February 12, 2013 at 3:43pm
ok thanks. i can never start these problems so I can go from this.

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