SOLUTION: One solution contains 40% alcohol. A second contains 60%. You need 20 L of a 45% solution. How many L of the 40% should be used?

SOLUTION: One solution contains 40% alcohol. A second contains 60%. You need 20 L of a 45% solution. How many L of the 40% should be used?

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Question 999153: One solution contains 40% alcohol. A second contains 60%. You need 20 L of a 45% solution.
How many L of the 40% should be used?
Answer by ikleyn(52879) (Show Source): You can put this solution on YOUR website!
.
This is a typical problem on solutions mixing.

Look into the lesson Solving typical word problems on mixtures for solutions in this site, where you will find the solutions for such problems.

It is free of charge and without registration.

Read the lesson attentively, and then solve your problem by substituting your data.

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