SOLUTION: A 20% alcohol solution is mixed with a 35% alcohol solution to obtain 60 fluid ounces of 25% alcohol solution. How many fluid ounces of each are needed?

Question 1024013: A 20% alcohol solution is mixed with a 35% alcohol solution to obtain 60 fluid ounces of 25% alcohol solution. How many fluid ounces of each are needed?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
u quantity of 20% alcohol
v quantity of 35% alcohol

Use substitution from the volume sum equation:

, twenty fluid ounces of the 35% alcohol;
and from this,
, fourty fluid ounces of the 20% alcohol.
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