whats the equation Half of the students in Max’s class volunteer at the local community center. Fifteen students do not volunteer If there are 12 boys in Max’s class how many girls are in his class?

Answer 1

g = number of girls

g + 12 = total number of students

(g + 12)/2 = half of the total = 15, since half did not volunteer

Solve for g.

(g + 12)/2 = 15

g + 12 = 30

g = 18