Problema Solution
Seventy-eight students are in a chamber orchestra. Thirty-two members play wind instruments. Half of the other members play percussion instruments. About what fraction of the students play a percussion instrument?
Answer provided by our tutors
total number of students = 78
member that play wind instrument = 32
other members = 78 - 32 = 44
members that play percussion: (1/2)44 = 22
22/78 = 11/39 is the fraction of students that play a percussion instrument.