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How many ounces of a 12​% alcohol solution must be mixed with 9 ounces of a ​20% alcohol solution to make a 16​% alcohol​ solution?

User Hetelek
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1 Answer

16 votes
16 votes

Answer:

9 ounces

Explanation:

Let x = number of ounces of 12% solution.

0.12x + 0.2 × 9 = 0.16(x + 9)

0.12x + 1.8 = 0.16x + 1.44

-0.04x = -0.36

x = 9

Answer: 9 ounces

User Pnj
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