Algebra

A pharmacist has an 18% alcohol solution and a 40% alcohol solution. How much of each should he mix together to make 10 liters of a 20% alcohol solution?

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  1. x * .18 + (10 - x) * .40 = 10 * .20

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    posted by R_scott
  2. So what's the answer?

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    posted by Vernice

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