math

posted by .

A chef is using a mixture of two brands of Italian dressing. The first brand contains 7% vinegar, and the second brand contains 11% vinegar. The chef wants to make 280 milliliters of a dressing that is 10% vinegar. How much of each brand should she use?
first brand?
second brand?

  • math -

    solve

    .07x + .11(280-x) = .1(280)

  • math -

    174

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Chemistry

    1. Commercial vinegar is a solution of acetic acid in water. How would you determine which brand of vinegar contains more acetic acid in a given volume of vinegar?
  2. science

    A cylindrical bottle of oil-and-vinegar salad dressing whose volume is 1/3 vinegar (p=1.01 g/cm^3) and 2/3 oil (p=.910 g/cm^3) is at rest on a table. Initially the oil and the vinegar are separated, with the oil floating on top of …
  3. intermaidate math

    A chef is using a mixture of two brands of Italian dressing. The first brand contains 7% vinegar, and the second brand contains 11% vinegar. The chef wants to make 280 milliliters of a dressing that is 10% vinegar. How much of each …
  4. math

    Anna uses 4/5 of vinegar in her salad dressing recipe.How much vinegar would Anna use to make 2 recipes?
  5. algebra

    The ration of oil to vinegar in a certain salad dressing is 8:5. how much oil must be blended with 7 liters of vinegar for that recipe?
  6. Math

    The ratio of oil to vinegar in a certain salad dressing is 8:5. How much oil must be blended with 7 liters of vinegar for that recipe?
  7. ENGINEERING

    a vinegar contains acetic acid,CH3COOH.Titration of 5.00g of vinegar with 0.100M of NAOH requires 33.00cm to reach the equivalence point.a)what is the weight percentage of CH3COOH in vinegar?
  8. Chemistry

    A particular vinegar contains 4.0% CH3COOH by mass. It reacts with sodium carbonate to produce sodium acetate, carbon dioxide, and water. How many grams of carbon dioxide are produced by the reaction of 5.00 mL of this vinegar with …
  9. Math

    A salad dressing is 25% vinegar.Sue wants to make 2 cups of dressing.How much vinegar does she need?
  10. math

    A chef is going to use a mixture of two brands of Italian dressing. The first brand contains 6% vinegar, and the second brand contains 11% vinegar. The chef wants to make 250 milliliters of a dressing that is 9% vinegar. How much of …

More Similar Questions