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gdogthegirl Group Title

Help please!? The sales tax on a new car varies directly to(or is directly proportional) the price of the car. If $1,800 in sales tax is paid for a $25,000 car. what is the purchase price of a car worth $1,600 in sales tax? Im totally lost when it comes to variations :(

  • 2 years ago
  • 2 years ago

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  1. bwtOrlando Group Title
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    it just means that it is a fixed ratio. interest/price is fixed regardless of price

    • 2 years ago
  2. bwtOrlando Group Title
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    \[so \frac{ 25000 }{ 1800}=\frac{ x }{ 1600 }\]

    • 2 years ago
  3. gdogthegirl Group Title
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    i have to use the formula of y+kx squared to n to find it

    • 2 years ago
  4. gdogthegirl Group Title
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    |dw:1347932874929:dw|

    • 2 years ago
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