SOLUTION: A pharmacist mix is a 20% alcohol solution and a 50% alcohol solution to form a 600 mL of a 40% solution how much of each solution is needed?

SOLUTION: A pharmacist mix is a 20% alcohol solution and a 50% alcohol solution to form a 600 mL of a 40% solution how much of each solution is needed?

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Question 1126174: A pharmacist mix is a 20% alcohol solution and a 50% alcohol solution to form a 600 mL of a 40% solution how much of each solution is needed?
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
x, volume of the 50% alcohol
600-x, volume of the 20% alcohol

-

------400 mL of the 50% alcohol

-----------------200 mL of the 20% alcohol
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