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ebydaqueen17

PLZ PLZ, SOMEONE HELP ME ON THIS PROBLEM!!! Sally finklestein has a recipe that calls for horseradish sauce that is 45% pure. At the grocery store she finds one horseradish sauce that is 30% pure and another one that was 80% pure. How many teaspoons of each of these sauces should she mix together to get 4 teaspoons of horseradish sauce that is 45% pure horseradish?

  • one year ago
  • one year ago

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  1. Skaematik
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    let a = purity of sauce a = 0.3 let b = purity of sauce b = 0.8 x = number of spoonfuls of a y = number of spoonfuls of b x0.3 * y0.8 = 0.45 Total number of spoonfuls = 4 x+y=4 x=4-y Sub 4-y(0.3) * y0.8 = 0.45 Solve for y Sub to solve for x

    • one year ago
  2. Skaematik
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    Woops the equation i think is supposed to be x0.3 + y0.8 = 0.45 4-y(0.3) + y0.8 = 0.45

    • one year ago
  3. ebydaqueen17
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    thank you

    • one year ago
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