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Video: Dividing and Multiplying by Five
October 12, 2011
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Ready for another video? This one describes my technique to quickly multiply or divide by 5--without a calculator.
As you probably know, the GMAT doesn't allow you the use of a calculator, but it still expects you to do plenty of arithmetic. The more tools in your arsenal to handle that arithmetic quickly, the easier you'll find the GMAT Quant section.
Enjoy!
About the author: Jeff Sackmann has written many GMAT preparation books, including the popular Total GMAT Math, Total GMAT Verbal, and GMAT 111. He has also created explanations for problems in The Official Guide, as well as 1,800 practice GMAT math questions.
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Total GMAT Math
The comprehensive guide to the GMAT Quant section. It's "far and away the best study material
available," including over 300 realistic practice questions and more than 500 exercises! |
