Plz help will mark brainliest and plz show how you did the steps.

Step-by-step explanation:
1/8 cup of oil is needed for every 1 cup of mix.
As 1/8 * 4 = 4/8 = 1/2, 1/2 cup of oil is needed for every 4 cups of mix.
Owen wants 3 1/2 cups of mix, which is less than 4. Hence he has enough oil.