Answer:
Step-by-step explanation:
Number of Batches = Total amount of peanut butter/amount of peanut butter for each batch
2 1/4 = 9/4 as a mixed number.
9/4÷1/2
=9/4×2/1
=18/4
=4.5
Since you can't bake a fraction of a batch, you can bake 4 batches of cookies with 2 and 1/4 cups of peanut butter.