Dakota makes salad dressing by combining 4 1/3 fluid ounces of oil and 3 3/8 fluid ounces of vinegar in a jar. She then pours 3 1/4 fluid ounces of the dressing onto her salad. How much dressing remains in the jar?

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  4 11/24 fl oz

Step-by-step explanation:

The volume of dressing Dakota made is ...

  4 1/3 + 3 3/8 = (4 +3) +(1/3 +3/8) = 7 + (8/24 +9/24) = 7 17/24 . . . ounces

After using 3 1/4 ounces, the remaining amount is ...

  7 17/24 - 3 1/4 = (7 -3) +(17/24 -6/24) = 4 11/24 . . . . ounces

4 11/24 fluid ounces of dressing remains in the jar.