After getting a 20 percent discount and paying 5 percent tax, Jerry paid $105 for a

  • Thread starter Thread starter hottie_teen98
  • Start date Start date
Let's call the original value of the bike x
20% was knocked of the price of the bike. That's another way of saying the bike was 80% of it's original value or .8x.
Tax paid is a percentage of the purchase price. In this case 5% or
.05(.8x).
With tax, Jerry paid .8x + .05(.8x) = 105, solve for x
 
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