SOLUTION: How many gallons of pure alcohol should be mixed with 20 gal of a 15% alcohol solution to obtain a mixture that is 25% alcohol?
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Question 118463This question is from textbook College Algebra
: How many gallons of pure alcohol should be mixed with 20 gal of a 15% alcohol solution to obtain a mixture that is 25% alcohol?
This question is from textbook College Algebra
Answer by wgunther(43) (Show Source): You can put this solution on YOUR website!
If a 20gal solution contains 15% alcohol it contains 3 gals of alcohol. So, . So,
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