SOLUTION: A 300 ounce mixture is 12% acid.If 100 ounces of water evaporated,what percent of the new mixture is acid? Please show me your work and please explIN !

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Question 985941: A 300 ounce mixture is 12% acid.If 100 ounces of water evaporated,what percent of the new mixture is acid?
Please show me your work and please explIN !
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
.
300 ounces at 12% contains:
0.12(300oz)=36 ounces of acid
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300oz-100oz=200 ounces
After 100 ounces of water evaporates, the 36 ounces of acid is in 200 ounces of solution.
(36 ounces/200 ounces)(100%)=18%
The solution after 100 ounces of water evaporates is 18% acid.