Melissa and her freinds are streching rubbing bands for an activyty in science class . mellisa streched hers 10 inces. juan 3 1/
1 answer:
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Answer:
of oil are needed for each cup of vinegar.
Step-by-step explanation:
Given:
A recipe of salad dressing calls for ¼ cup vinegar to ⅔ cup oil.
Now, to find the cups of oil are needed for each cup of vinegar.
So, we solve by using unitary method:
If cup of vinegar is needed for oil of
cup.
So, 1 cup of vinegar is needed for oil of =
=
(the fractions turns reciprocals as the division changes into multiplication)
=
= cups.
Therefore, of oil are needed for each cup of vinegar.