Answer:
Arjun's mom can vary the number of cupcakes she orders depending on the number of people expected to eat them.
Explanation:
The independent variable in this scenario is the number of people eating cupcakes at the party. It is a variable that can be changed or manipulated and is not affected by other variables. In this case, Arjun's mom can vary the number of cupcakes she orders depending on the number of people expected to eat them.