In a survey, 100 people were asked if they smoke and whether or not they exercise regularly (more than twice a week). The results are summarized in the tablebelowExercise regularlyDo not exerciseregularlySmoke Do not smoke41519 62(a) what percentage of the people exercise regularly?(b) What percentage of the people smoke?I don’t understand

In a survey 100 people were asked if they smoke and whether or not they exercise regularly more than twice a week The results are summarized in the tablebelowEx class=