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7th grade math help Ms. Sue please

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How do you find the sales tax of something? Here is one of my problems:

The price of three dolls are $12.99. What is the price of the dolls with a 5% sales tax? Show all of your work!

I cannot figure out how to put up an equation and solve this problem. Please help!

  • 7th grade math help Ms. Sue please - ,

    12.99 * 1.05 = x

    or -- if the dolls cost 12.99 each -- then ---

    3(12.99)(1.05) = x

  • 7th grade math help Ms. Sue please - ,

    thanks but its

    12.99*0.2 = 2.60 discount

    12.99 - 2.60 = 10.39 new price

    10.39 * 0.05 = 0.52 tax

    10.39 + 0.52 = 10.91 price for each dolls

  • 7th grade math help Ms. Sue please - ,

    Am I correct

  • 7th grade math help Ms. Sue please - ,

    Yes I think it is thank you Lila

  • 7th grade math help Ms. Sue please - ,

    I like your name Lila

  • 7th grade math help Ms. Sue please - ,

    thank you bye

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