Respuesta :
231 - 15 = 216
216 / 9 = 24 students per bus
(231 -15) / 9 = x
216 / 9 = 24 students per bus
(231 -15) / 9 = x
to find the answer try dividing the amount of students by 9 buses, with different numbers until you get a remainder of 15. (you might have to do it on paper, and use long division) i hope this helps