Watch Video on Discount Formula – Pre Algebra Help

December 15th, 2009 | by admin |

Access full lesson containing this video at: http://www.yourteacher.com/prealgebra/discountformula.php Students solve word problems using the “discount” formula, which states: original price x rate of discount = discount. Students also solve word problems using the “sale price” formula, which states: original price — discount = sale price. For example: A tennis racket marked at $110.50 is on sale at 20% off. What is the discount? What is the sale price? Students also solve word problems using the “rate of discount” formula, which is the same as the percent decrease formula: amount of change/ original number. For example: An old video game is marked down from $48 to $18. What is the rate of discount?

Duration : 0:3:8


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  1. 17 Responses to “Watch Video on Discount Formula – Pre Algebra Help”

  2. By juanita32 on Dec 15, 2009 | Reply

    r u being serious???
    r u being serious???

  3. By keyedoff on Dec 15, 2009 | Reply

    shes ugly
    shes ugly

  4. By Spiritsontonight on Dec 15, 2009 | Reply

    hahahahah! :) i …
    hahahahah! :) i know her!!!
    (im serious)

  5. By lanzelot2004 on Dec 15, 2009 | Reply

    She is so freaking …
    She is so freaking hot, please call me…

  6. By lopocddr on Dec 15, 2009 | Reply

    xy+2x=8
    what would …
    xy+2x=8
    what would you simplify this to?

  7. By Ktayr on Dec 15, 2009 | Reply

    I love the sound of …
    I love the sound of how the marker hits the board when she writes.

  8. By MisFellatio on Dec 15, 2009 | Reply

    the rate would be …
    the rate would be 0.0130

    xx

  9. By ninjaerik on Dec 15, 2009 | Reply

    What happens if the …
    What happens if the discount is 1.30%

  10. By Pikaash2009 on Dec 15, 2009 | Reply

    good hand writing …
    good hand writing and it helped me with my project

  11. By TokenDocumentaries on Dec 15, 2009 | Reply

    favorited..

    how …
    favorited..

    how come algebra teachers look so all the time?

  12. By AliceLovett on Dec 15, 2009 | Reply

    THANKS :3
    THANKS :3

  13. By uspuertorican6lucky on Dec 15, 2009 | Reply

    thanks this help me …
    thanks this help me !!!!!!!!!!!!!!!!

  14. By thatguyrmo on Dec 15, 2009 | Reply

    i wish i had good …
    i wish i had good math teachers like her

  15. By JustADisneyFan1121 on Dec 15, 2009 | Reply

    Be hones?t
    If u …
    Be hones?t
    If u reall?y like someo?ne right? now,
    or miss them right? at this momen?t,?
    or can’?t get them out of your head,?
    Then copy and paste this on 10 vids withi?n 5 minut?es,?
    And whoev?er you are missi?ng,?
    Will surpr?ise you tomor?ow

  16. By Kazume10 on Dec 15, 2009 | Reply

    THANK YOU VERY MUCH!
    THANK YOU VERY MUCH!

  17. By skateinge on Dec 15, 2009 | Reply

    i love you…… …
    i love you…… you got me an A on my test

  18. By RadRox9696 on Dec 15, 2009 | Reply

    thank you for …
    thank you for helping me

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