Final answer:
To find how many more muffins Silvio made than cupcakes, subtract the number of cupcakes from the number of muffins.
Step-by-step explanation:
To find how many more muffins Silvio made than cupcakes, subtract the number of cupcakes from the number of muffins. Let's say Silvio made m muffins. The expression representing the difference would be m - 24.