SOLUTION: You need 300 mL of a 50% alcohol solution. On hand, you have a 75% alcohol mixture. How much of the 75% alcohol mixture and pure water will you need to obtain the desired solution?

Question 1108541: You need 300 mL of a 50% alcohol solution. On hand, you have a 75% alcohol mixture. How much of the 75% alcohol mixture and pure water will you need to obtain the desired solution?
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
w mL of water
x mL of the 75% alcohol

You know that
;

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