SOLUTION: How many liters of a 10% saline solution must be added to 4 liters of a 40% saline solution to obtain a 15% saline solution?

Question 1020565: How many liters of a 10% saline solution must be added to 4 liters of a 40% saline solution to obtain a 15% saline solution?
Answer by ikleyn(52776) (Show Source): You can put this solution on YOUR website!
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How many liters of a 10% saline solution must be added to 4 liters of a 40% saline solution to obtain a 15% saline solution?
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It is a typical mixture word problem.

See the lesson Solving typical word problems on mixtures for solutions in this site, Problem 2.

This problem is very similar to yours.

In this lesson you will find the detailed solution. 

Consider it as a sample. Read it attentively.

Then solve your problem by substituting your data.

In this way you will learn how to solve problems like this, once and for all.

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