Final answer:
To find out how much oatmeal would be left after making the cookies, you convert the oatmeal amounts to a common denominator and subtract, yielding a result of 7/20 cup of oatmeal remaining.
Step-by-step explanation:
You have 3/5 cup of oatmeal in your cupboard. A recipe for cookies calls for 1/4 cup of oatmeal. To find out how much oatmeal you would have left after making the cookies, follow these steps:
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So, you would have 7/20 cup of oatmeal left after making the cookies.