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  1. #1
    hottie_teen98
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    After getting a 20 percent discount and paying 5 percent tax, Jerry paid $105 for a

    bicycle.? How much, in dollars, did the bicycle originally cost?

  2. #2
    socrates's Avatar
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    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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