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Mental Math Podcast (Math Tricks) - Ep2 - Caculate Restaurant Tips

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Uploaded by on May 13, 2010

Learn to Rapidly Calculate 10%, 15%, and 20% tips at restaurants!

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Uploader Comments (mathtutordvd)

  • I <3 MathTutor!!!

    

  • @TheMrKman Thank you!

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All Comments (7)

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  • how would you do 22%??

    

  • This helps so much with math anxiety! Thank you

  • great trick! the only thing is that when i want to find 20%, i like doubling the whole number before i find 10%... Other than that, this helped a lot!

  • great video, thanks

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