Algebric
Adulti = A
Copii = C
Adulti = 7Copii
A+C= 7C+C= 96, 8c=96 , c=96/8= 12
GRAFIC
|___| copii
|___| |___| |___| |___| |___| |___| |___| adulti, suma lor este 96
copii - 1 segment
adulti- 7segmente
1 segment+ 7 segmente= 8 segmente= 96
1 segment = 96/8= 12
copii= 12 bilete
adulti = 84 bilete