SOLUTION: Madison is making a vinaigrette for her catering service using olive oil that costs forty cents per ounce and apple cider vinegar that costs twenty-five cents an ounce. The ideal

Question 893927: Madison is making a vinaigrette for her catering service using olive oil that costs forty cents per ounce and apple cider vinegar that costs twenty-five cents an ounce. The ideal batch of vinaigrette has 25% vinegar. If she has already combined 3 cups of vinegar and 1 cup of oil, how many cups of oil should she add? What is the total cost of her completed recipe?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Not "ounce"; instead, "FLUID OUNCE". The measures are by volume.
1 cup = 8 fluid ounces

Olive Oil, 40 cents per fl. oz.
Vinegar, 25 cents per fl. oz.
Wanted, 25% Vinegar.

Already present: 3 cups vinegar, 1 cup olive oil.

How much oil to add?
, using x for how many cups of olive oil to add.

, Add 8 cups of oil.

Cost of this vinegarette?
3 cups vinegar + 9 cups oil. This is 12 cups.
cents
cents
$15.60
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