SOLUTION: A flask contains 40 ounces of 20% acid solution. If 10 ounces of pure acid are added to the flask, what percent of the new mixture is acid?

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Question 891374: A flask contains 40 ounces of 20% acid solution. If 10 ounces of pure acid are added to the flask, what percent of the new mixture is acid?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+.2%2A40+=+8+ ounces of acid in 20% solution
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+%28+8+%2B+10+%29+%2F+%28+40+%2B+10+%29+=+18+%2F+50+
+18%2F50+=+36%2F100+
+%28+36%2F100+%29%2A100+=+36+
36% of the new mixture is acid