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GMAT Mixtures

by ejkiv


July 19, 2015


GMAT mixtures come in a variety of different forms, but generally mixture problems are just weighted average problems. There are a few differences that we will go over, but think of them in the same manner. This is an example: Solution A consists of 20% iodine and solution B is 5% iodine. If 15 ounces of solution B is mixed with solution A to make a combined solution of 10%, how many ounces of solution A are used? For this we can just set up a weighted average problem:     We will use the ...

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GMAT Weighted Averages

by ejkiv


July 19, 2015


A weighted average is really just a type of average, but there is a bit different way that you can think about these types of problems that will be very helpful in many others. In fact, the methods used in this chapter will help you with with Rates, Work, and Mixture problems that we will discuss in the word problems section. Spend the time to understand it now, and you will be ahead of the game. The ability to handle gmat weighted averages quickly can free up 2-4 minutes on the exam for othe...

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