A group of students and workers entering a metro station were asked whether they were riding the bus or the subway. The two-way table shows their answers. A 4-column table with 3 rows. The first column has no label with entries students, workers, total. The second column is labeled bus with entries 27, 42, 69. The third column is labeled subway with entries 21, 76, 97. The fourth column is labeled total with entries 48, 118, blank. How many people were polled? 48 69 118 166