The number of students who attended the winter school dance was 20 percent less than the number who attended the fall dance. If 220 students attended the fall school dance, how many fewer students attended the winter dance? Use the diagram to solve.

A 2-column table with 6 rows. Column 1 has entries 20 percent, 20 percent, 20 percent, 20 percent, 20 percent, total 100 percent. Column 2 has entries S, S, S, S, S, Total 220.

S =