SOLUTION: You need a 80% alcohol solution. On hand, you have a 150 mL of a 55% alcohol mixture. You also have a 90% alcohol mixture. How much of the 90% mixture will you need to add to o

Question 1160521: You need a 80% alcohol solution. On hand, you have a 150 mL of a 55%
alcohol mixture. You also have a 90% alcohol mixture. How much of the
90% mixture will you need to add to obtain the desired solution?

Answer by josgarithmetic(39630) (Show Source): You can put this solution on YOUR website!
v, amount of the 90% alcohol to use
150-v, amount of the 80% alcohol to use

Accounting for the amount of pure alcohol

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