Răspuns :
x=nr elevi
22,(2)%x =6
22,(2)/100=(222-22)/9)/100=200/900
200x/900=6
x=6×900/200=27 elevi
22,(2)%x =6
22,(2)/100=(222-22)/9)/100=200/900
200x/900=6
x=6×900/200=27 elevi