Including a 7% sales tax, an inn charges $147.66 per night. Find the inn's nightly cost before tax added.?

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  • 4 months ago

    Including a 7% sales tax, an inn charges $147.66 per night. 

         (147.66/1.07)

    The inn's nightly cost before tax added is $138.00.

  • 4 months ago

    147.66/107*100=138.00/night.         .

  • 4 months ago

    If there is a 7% tax, then if "x" is the pre-tax price, then the post-tax price is:

    y = 1.07x

    So what's the pre-tax cost if the post-tax cost is $147.66?  Solve for x:

    147.66 = 1.07x

    147.66 / 1.07 = x

    x = $138

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