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??
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Question 394649: 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 josmiceli(19441) (Show Source): You can put this solution on YOUR website!
(alcohol)/(fluid) = 25%
Let = ounces of 20% solution needed
Let = ounces of 35% solution needed
given:
(1) ounces
alcohol in 25% solution
-------------------------------
(2)
(2)
(2)
Multiply both sides of (1) by and
subtract (1) from (2)
(2)
(1)
40 ounces of 20% solution are needed
20 ounces of 35% solution are needed
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