If julia needs 3 1/4 cups of oatmeal, how many 1/4 cups of oatmeal will she use

Julia needs 3  cups of oatmeal, and she can only get it in  cup quantities at a time. We know that makes 1 whole, so we need to multiply the amount of whole cups she has by 4.

3 * 4 = 12

Finally, we see that there is  cup of extra oatmeal that Julia wants, so we add one more to our sum.

It will take 13 sets of  cups of oatmeal to make 3  cups of oatmeal.
Hope that helped =)