Question

punctul C ..va rog frumosss urgent

Answer 1

din tabel
coloana 6 corespunde la 6 elevi,24cm
coloana 5 corespunde la 3 elevi x cm, inaltimile fiind direct proportionale
x/3=24/6, 3x=24, x=12cm
coloana 7 corespunde la 5 elevi,y cm din proportionalitate
y/5=24/6, 6y=120, y=20

Answer 2

24mm/4 elevi=4mm/elev= coloana a 5-a/5elevi= coloana a 7-a/3 elevi
⇒coloana a 5-a =5*4=20mm
si
coloana a 7-a =3*4=12 mm