A recipe of salad dressing calls for ¼ cup vinegar to ⅔ cup oil. How many cups of oil are needed for each cup of vinegar?

 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.

62.5 paisa

step-by-step explanation:

4000*70 = 280000

280000-(2000*90) = 100000

4000-2400 = 1600

100000/1600 = 62.5

( give brainliest)