Mixture-related Problems

 

There are four common types of mixture in verbal problems of Algebra.
 

Solutions
Solution is a homogeneous mixture formed by dissolving a substance (solute) in another substance (solvent). A common example is the salt as solute and water as solvent forming into one phase called brine or saline water.
 

Alloys
An alloy is a solid solution formed by fusing two or more metallic elements. A common alloy is bronze which is the product of fusing iron and copper.
 

Blends
Blended product is a result of mixing two or more grades of items of the same class. Example is a coffee of grade A mixed to coffee of grade B which will result to a blended coffee.
 

Assortments
Assorted mixture is a combination of distinct items which can be resorted easily back to its original components. Example is assorted candies in a pack.
 

Solving mixture-related problems
The following example will illustrate how to solve mixture problems.

Problem
How many liters of 10% salt solution must be added to 20% salt solution in order to obtain 10 liters of 12% salt solution?
 

Solution

 

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