Ava45018 Ava45018
  • 22-07-2018
  • Mathematics
contestada

Why is the answer C? Plz explain.

Why is the answer C Plz explain class=

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DeanR
DeanR DeanR
  • 22-07-2018

All the choices are below $120 so we don't have to worry about the 15% discount.


If the original price is x then after the 10% discount the price is 0.9 x and then we pay an additional 7 percent tax on the discounted price, that's 1.07 (0.9 x) which is our total bill of 103.04:


1.07 (0.9 x) = 103.04


x = 103.04 / (1.07 (.9)) = 107.00


Choice C



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