Hello! :)
Answer:
No, there is not enough oatmeal to make 21 batches of cookies.
Step-by-step explanation:
Let's start off by converting 2
to an improper fraction.
2
=

Next, divide the total number of cups by how many cups each batch requires.
÷

×
=

Lastly, convert this fraction to a decimal.
= 20.7 (rounded)
This means that there is not enough for 21 batches.