At southside middle school, 30% of the students play an instrument. there are 310 students. how many students play an instrument? 93 students 130 students 217 students 290 students

Which effect does the author achieve through the story's setting? rain pelted the window of the apartment, which was empty except for one person: randel. he had been setting in his easy chair with a book on his lap for an hour but hadn't read a single word. he listened to the rain. he looked at the empty cubbyhole here she would always put her shoes, which now sat empty. he signed.