Răspuns :
C=ciocolata si N=napolitane
2C+3N=16
N=2lei ACUM INLOCUIM IN RELATIA: 2C+3N=16 =>
2C+3*2=16
2C+6=16
2C=16-6
2C=10
C=10:2
C=5lei
2C+3N=16
N=2lei ACUM INLOCUIM IN RELATIA: 2C+3N=16 =>
2C+3*2=16
2C+6=16
2C=16-6
2C=10
C=10:2
C=5lei