Answer:
She will need to make a total of 5 1/2 batches.
Explanation:
If there is 22 people at the party, including yourself, and you'd each like to have 3 cupcakes, 22 times 3 is 66. Each batch yeilds 12 cupcakes, so 66 total cupcakes devided by 12, would be 5 1/2 batches.