SOLUTION: You need 150 mL of a 85% alcohol solution. On hand, you have a 70% alcohol mixture and a 95% mixture. How much of each mixture will you need to obtain the desired solution?

Question 1081999: You need 150 mL of a 85% alcohol solution. On hand, you have a 70% alcohol mixture and a 95% mixture. How much of each mixture will you need to obtain the desired solution?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
You need 150 mL of a 85% alcohol solution. On hand, you have a 70% alcohol mixture and a 95% mixture. How much of each mixture will you need to obtain the desired solution?
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s = amt of 75%
n = amt of 95%
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s + n = 150
75s + 95n = 150*85

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