SOLUTION: How many liters of 70% alcohol solution and 40% alcohol solution must be mixed to obtain 15 liters of 50% alcohol solution?
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Question 907644: How many liters of 70% alcohol solution and 40% alcohol solution must be mixed to obtain 15 liters of 50% alcohol solution?
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Number 907644 and 907645 are the SAME problem as DIFFERENT EXAMPLES. The method to solve is therefore the same for each of them.
http://www.algebra.com/my/Mixtures%3A-All-in-Symbols.lesson?content_action=show_dev
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