There are 30 students in Mrs. Woodward’s class, and 1/5 of the class has their own cell phone. Of this group of students, 1/2 of

3 students. Step-by-step breakdown: In Mrs. Woodward's class, there are 30 students. One-fifth have their own cell phones, meaning 6 students in total. Out of these, half are permitted to use social media, leading to a total of 3 students allowed access to social media.